- Colors
- ?
- Letters
- ?
Title Page with title logo, no illustration.
- Colors
- ?
- Letters
- ?
Writer and artist credits
- Pencils
- Evan Shaner (credited as Evan "Doc" Shaner)
- Inks
- Evan Shaner (credited as Evan "Doc" Shaner)
- Colors
- ?
- Characters
- Legion of Super-Heroes [Lightning Lad; Cosmic Boy; Saturn Girl]
Title page with reprint of the cover which appears after the credits and before the indicia page.
- Colors
- ?
- Letters
- typeset
Indicia listing publisher credits
- Pencils
- Curt Swan (credited)
- Inks
- Stan Kaye (credited)
- Colors
- ?
- Letters
- ?
- Genre
- superhero
- Characters
- Superboy [Clark Kent]; Legion of Super-Heroes [Cosmic Boy; Lightning Lad [as Lightning Boy]; Saturn Girl]
- Reprints
- Script
- Otto Binder (credited)
- Pencils
- Al Plastino (credited)
- Inks
- Al Plastino (credited)
- Colors
- ?
- Letters
- ?
- Genre
- superhero
- Characters
- Superboy [Clark Kent]; Legion of Super-Heroes [Cosmic Boy; Lightning Lad [as Lightning Boy]; Saturn Girl] (intro); Jonathan Kent (cameo)
- Synopsis
- Three teens from the future offer Superboy membership in their super-hero club. But when Superboy fails to complete three simple tasks, the Legionnaires pretend to reject him, until they reveal that the three tasks were merely initiation pranks which proved he is a good sport.
- Reprints
First appearance of the Legion of Super-Heroes. Lightning Lad is called Lightning Boy in this story. Several other unidentified Legionnaires appear in the story. The Legionnaires are not yet in their regular costumes.
- Pencils
- Curt Swan (credited)
- Inks
- Stan Kaye (credited)
- Colors
- ?
- Letters
- ?
- Genre
- superhero
- Characters
- Cosmic Boy; Lightning Lad; Saturn Girl; Superboy
- Reprints
- Keywords
- kryptonite
- Script
- Jerry Siegel (credited)
- Pencils
- George Papp (credited)
- Inks
- George Papp (credited)
- Colors
- ?
- Letters
- Joe Letterese
- Genre
- superhero
- Characters
- Superboy; Legion of Super-Heroes [Cosmic Boy; Lightning Lad; Saturn Girl]; Krypto; Martha Kent; Jonathan Kent
- Synopsis
- The Legion returns to 20th Century to discredit Superboy and exile him from Earth.
- Reprints
- Keywords
- Sigellian
2nd appearance of Legion, Saturn Girl has brown hair.
Introduces Sigellian (a new element that's harmful to humans like Kryptonite is to Superboy).
- Script
- Jerry Siegel (credited)
- Pencils
- Jim Mooney (credited)
- Inks
- Jim Mooney (credited)
- Colors
- ?
- Letters
- Joe Letterese
- Genre
- superhero
- Characters
- Supergirl; Legion of Super-Heroes [Cosmic Boy; Lightning Lad; Saturn Girl; Chameleon Boy; Colossal Boy; Invisible Kid]; Superman
- Synopsis
- The Legion comes to the 20th century to meet Supergirl and invites her to come to the 30th Century to apply to join the Legion.
- Reprints
- Keywords
- red kryptonite; time travel
Third appearance of the Legion of Super-Heroes; first appearance of Chameleon Boy, Colossal Boy, and Invisible Kid.
- Script
- Jerry Siegel (credited)
- Pencils
- George Papp (credited)
- Inks
- George Papp (credited)
- Colors
- ?
- Letters
- Joe Letterese
- Genre
- superhero
- Characters
- Superboy; Lex Luthor; Lana Lang; Jonathan Kent; Krypto; Lightning Lad; Cosmic Boy (cameo); Saturn Girl (cameo)
- Synopsis
- Luthor lures Superboy into a kryptonite trap, but he is saved by a timely appearance of Lightning Lad.
- Reprints
Luthor speculates about the existence of a Legion of Super-Villains, and their future first appearance is plugged in the final caption of the story.
- Pencils
- Curt Swan (credited)
- Inks
- Stan Kaye (credited)
- Colors
- ?
- Letters
- ?
- Genre
- superhero
- Characters
- Superboy; Star Boy; Lana Lang; Zynthia
- Reprints
- Script
- Otto Binder (credited)
- Pencils
- George Papp (credited)
- Inks
- George Papp (credited)
- Colors
- ?
- Letters
- Joe Letterese
- Genre
- superhero
- Characters
- Superboy; Lana Lang; Star Boy; Legion of Super-Heroes [Chameleon Boy; Lightning Lad; Saturn Girl; Cosmic Boy] (in flashback)
- Synopsis
- Lana uses Star Boy in an attempt to make Superboy jealous.
- Reprints
Star Boy's powers similar (not identical) to Superboy's; story is partially rewritten from Adventure #195 (December 1953).
- Script
- Jerry Siegel (credited)
- Pencils
- Jim Mooney (credited)
- Inks
- Jim Mooney (credited)
- Colors
- ?
- Letters
- ?
- Genre
- superhero
- Characters
- Supergirl [Linda Lee]; Legion of Super-Heroes [Saturn Girl; Phantom Girl (intro); Triplicate Girl (intro, later Duo Damsel); Cosmic Boy; Lightning Lad; Shrinking Violet (intro); Bouncing Boy (intro); Sun Boy (intro); Brainiac 5 (intro)]; Brainiac (flashback); Superman (flashback); Lori Lemaris; Jerro; Krypto
- Synopsis
- Supergirl and Brainiac 5 join the Legion.
- Reprints
- Keywords
- Green Kryptonite; Kandor (flashback); time travel
- Script
- ?
- Pencils
- Curt Swan (credited)
- Inks
- Stan Kaye (credited)
- Colors
- ?
- Letters
- ?
- Genre
- superhero
- Characters
- Superboy; Mon-El
- Reprints
- Script
- Robert Bernstein (credited)
- Pencils
- George Papp (credited)
- Inks
- George Papp (credited)
- Colors
- ?
- Letters
- Joe Letterese
- Genre
- superhero
- Characters
- Superboy [Kal-El]; Mon-El [also as Bob Cobb]; Martha Kent; Jonathan Kent; Krypto (cameo); Jor-El (flashback); Lara (flashback)
- Synopsis
- When a space ship crashes outside Smallville, Superboy finds an amnesiac, super-powered youth who might be his older brother. He christens him Mon-El and sets him up with a secret identity, but he soon finds evidence that Mon-El is not, in fact, Kryptonian.
- Reprints
Reworked from "Superman's Big Brother" in Superman (DC, 1939 series) #80 (January-February 1953).
1st appearance of Mon-El.
- Script
- Robert Bernstein (credited)
- Pencils
- George Papp (credited)
- Inks
- George Papp (credited)
- Colors
- ?
- Letters
- Joe Letterese
- Genre
- superhero
- Characters
- Superboy; Mon-El [Bob Cobb] (origin); Martha Kent; Jonathan Kent; Lana Lang; Miss Joyce; King Mycerinua; Rhodopis; Jor-El (flashback); Lara (flashback); unnamed Phantom Zone prisoner (flashback)
- Synopsis
- Trying to prove Mon-El isn't actually Kryptonian, Superboy accidentally exposes him to lead, which both poisons him and returns his memory. Mon-El remembers that he is a space explorer from Daxam, who visited Krypton, meeting Jor-El and Lara, before arriving on Earth. To save his life, Superboy sends Mon-El into the Phantom Zone until he can cure him of his lead poisoning.
- Reprints
- Keywords
- Daxam; Phantom Zone
- Pencils
- Curt Swan (credited)
- Inks
- Stan Kaye (credited)
- Colors
- ?
- Letters
- Ira Schnapp
- Genre
- superhero
- Characters
- Legion of Super-Villains [Cosmic King; Lightning Lord; Saturn Queen]; Superman
- Reprints
Cover is an homage to the cover of Adventure Comics (DC, 1938 series) #247.
- Script
- Jerry Siegel (credited)
- Pencils
- Curt Swan (credited)
- Inks
- Sheldon Moldoff (credited)
- Colors
- ?
- Letters
- Milt Snapinn
- Genre
- superhero
- Characters
- Legion of Super-Heroes [Lightning Man; Cosmic Man; Saturn Woman] (first Adult Legion appearance); Legion of Super-Villains [Cosmic King (intro, origin); Lightning Lord [Mekt Ranzz] (intro, origin); Saturn Queen (intro, origin)] (intro, origin, villains); Lex Luthor (villain); Superman; Lois Lane (illusion)
- Synopsis
- Luthor contacts and teams up with Legion of Super-Villains from 30th Century. An adult Legion of Super-Heroes comes to 20th Century to help Superman.
- Reprints
- Keywords
- green kryptonite
First adult Legion; first Legion of Super-Villains
- Pencils
- Curt Swan (credited)
- Inks
- Stan Kaye (credited)
- Colors
- ?
- Letters
- ?
- Genre
- superhero
- Characters
- Superboy; Legion of Super-Heroes [Sun Boy; Brainiac 5 (image only); Phantom Girl (image only); Chameleon Boy (image only); Saturn Girl (image only); Lightning Lad (image only)]
- Reprints
- Script
- Robert Bernstein (credited)
- Pencils
- George Papp (credited)
- Inks
- George Papp (credited)
- Colors
- ?
- Letters
- Joe Letterese
- Genre
- superhero
- Characters
- Superboy [Clark Kent]; Tom Tanner (Clark Kent look-alike); Lana Lang; Sun Boy (impostor); Legion of Super-Heroes [Cosmic Boy; Saturn Girl; Lightning Lad; Phantom Girl; Brainiac 5; Chameleon Boy]; Chief Parker; Superboy robots; Ma Kent; Lana Lang
- Synopsis
- A fake Sun Boy comes to Smallville asking Superboy's help in assembling a super-weapon. Meanwhile Tom Tanner, an escapee from reform school, takes over Clark Kent's identity.
- Reprints
- Keywords
- kryptonite
first appearance of Sun Boy; original story is partially rewritten from "The Two Clark Kents" in Adventure Comics #191 (August 1953)
- Pencils
- Curt Swan (credited)
- Inks
- George Klein (credited)
- Colors
- ?
- Letters
- ?
- Genre
- superhero
- Characters
- Superboy; Legion of Super-Heroes [Lightning Lad; Cosmic Boy; Saturn Girl]
- Reprints
- Keywords
- green kryptonite
- Script
- Jerry Siegel (credited)
- Pencils
- Curt Swan (credited)
- Inks
- George Klein (credited)
- Colors
- ?
- Letters
- Milt Snapinn
- Genre
- superhero
- Characters
- Superboy [Clark Kent]; Lana Lang, Jonathan Kent; Martha Kent; Legion of Super-Heroes [Lightning Lad; Cosmic Boy; Saturn Girl]; Jax-Ur (in the Phantom Zone); General Zod (in the Phantom Zone); Mon-El (in the Phantom Zone); two unnamed Phantom Zone prisoners; Legion of Super-Pets (first appearance) [Krypto; Streaky; Beppo the Super-Monkey; Comet the Super-Horse (first appearance)]; Brain Globes of Rambat
- Synopsis
- Super-Pets defeat Brain-Globes of Rambat
- Reprints
- Keywords
- Phantom Zone
1st Legion of Super-Pets; 3rd appearance Mon-El.
- Script
- Jerry Siegel (credited)
- Pencils
- Jim Mooney (credited)
- Inks
- Jim Mooney (credited)
- Colors
- ?
- Letters
- Milt Snapinn
- Genre
- superhero
- Characters
- Supergirl [Linda Danvers]; Lois Lane; Legion of Super-Heroes [Cosmic Boy [Rokk Krinn]; Lightning Lad [Garth Ranzz]; Saturn Girl [Imra Ardeen]; Sun Boy [Dirk Morgna]; Bouncing Boy [Chuck Taine]]; Whizzy (descendant of Streaky); Positive Man; Chameleon Men; Fred Danvers; Edna Danvers; Streaky
- Synopsis
- Supergirl helps out the Legionnaires, then defeats the Chameleon Men imposters.
- Reprints
- Keywords
- Phantom Zone
The real Brainiac 5, Chameleon Boy, and Triplicate Girl do not appear in this story, only their Chameleon Men impostors.
Supergirl's statement that she and Whizzy are the only two phantoms in the Phantom Zone is incorrect. In fact, both Mon-El and the Mighty Gazor are still there.
- Pencils
- Curt Swan (credited)
- Inks
- George Klein (credited)
- Colors
- ?
- Letters
- Ira Schnapp
- Genre
- superhero
- Characters
- Superman; Supergirl; Luma Lynai of Staryl
- Reprints
- Script
- Jerry Siegel (credited)
- Pencils
- Jim Mooney (credited)
- Inks
- Jim Mooney (credited)
- Colors
- ?
- Letters
- Milt Snapinn
- Genre
- superhero
- Characters
- Supergirl [Linda Danvers]; Superman; Luma Lynai; Helen of Troy; Rhondous; adult Legion of Super-Heroes [Cosmic Man; Phantom Woman; Chameleon Man; Triplicate Woman; Sun Man; Saturn Woman; Brainiac 5; Lightning Man]; Fred Danvers; Edna Danvers
- Synopsis
- Supergirl tries to play matchmaker for her cousin Superman with Helen of Troy, Saturn Woman, and Luma Lynai of Staryl, but realizes she needs to leave Superman's love life up to fate.
- Reprints
- Keywords
- time travel; Troy
- Script
- ?
- Pencils
- Curt Swan (credited)
- Inks
- George Klein (credited)
- Colors
- ?
- Letters
- ?
- Genre
- superhero
- Characters
- Ultra Boy; Superboy [Clark Kent]; Lana Lang
- Reprints
- Script
- Jerry Siegel (credited)
- Pencils
- Curt Swan (credited)
- Inks
- George Klein (credited)
- Colors
- ?
- Letters
- Milt Snapinn
- Genre
- superhero
- Characters
- Ultra-Boy [Jo Nah; Gary Crane] (intro; orgin); Superboy [Clark Kent]; Martha Kent; Marla [Ben Crane]; Pete Ross; Jonathan Kent; Superboy robots; Krypto; Lana Lang; E. W. Lemley
- Synopsis
- Ultra Boy must discover Superboy's secret identity as an initiation test for the Legion.
- Reprints
First appearance of Ultra Boy
- Pencils
- Curt Swan (credited)
- Inks
- George Klein (credited)
- Colors
- ?
- Letters
- Ira Schnapp
- Genre
- superhero
- Characters
- Legion of Super-Heroes [Superboy; Sun Boy; Saturn Girl; Cosmic Boy; Lightning Lad, Triplicate Girl; Mon-El]
- Reprints
- Script
- Jerry Siegel (credited)
- Pencils
- John Forte (credited); Al Plastino (credited) (page 4 and some Superboy and Luthor heads only)
- Inks
- John Forte (credited); Al Plastino (credited)
- Colors
- ?
- Letters
- Milt Snapinn
- Feature Logo
- Genre
- superhero
- Characters
- Legion of Super-Heroes [Cosmic Boy; Saturn Girl; Lightning Lad; Sun Boy; Superboy; Chameleon Boy (statue); Bouncing Boy (statue); Shrinking Violet (statue); Invisible Kid [Lyle Norg] (statue)]; Lex Luthor; Urthlo; Mon-El
- Synopsis
- At a regular meeting of the Legion of Super-Heroes, the Legionnaires lose control of their powers. Urthlo arrives and announces that he now controls the Legionnaires' powers and there is nothing they can do about it. But Saturn Girl comes up with a serum to temporarily cure Mon-El and immunize him against lead, and Superboy releases him from the Phantom Zone to knock out Urthlo, who turns out to be an automaton created by Lex Luthor sent into the future to destroy the Legion.
- Reprints
Beginning of first regular Legion series. Mon-El becomes a member of the Legion in this story.
- Script
- Jerry Siegel (credited)
- Pencils
- John Forte (credited)
- Inks
- John Forte (credited)
- Colors
- ?
- Letters
- Milt Snapinn
- Feature Logo
- Genre
- superhero
- Characters
- Legion of Super-Heroes [Bouncing Boy; Sun Boy; Cosmic Boy; Shrinking Violet; Lightning Lad; Chameleon Boy; Saturn Girl; Triplicate Girl; Colossal Boy; Phantom Girl; Ultra Boy]
- Synopsis
- Bouncing Boy tells a group of applicants how he got his powers and gained acceptance into the Legion.
- Reprints
- Pencils
- Curt Swan (credited)
- Inks
- George Klein (credited)
- Colors
- ?
- Letters
- Ira Schnapp
- Genre
- superhero
- Characters
- Superboy; Sun Boy; Ultra Boy; Cosmic Boy; Saturn Girl
- Reprints
- Script
- Jerry Siegel (credited)
- Pencils
- John Forte (credited)
- Inks
- John Forte (credited)
- Colors
- ?
- Letters
- Milt Snapinn
- Feature Logo
- Genre
- superhero
- Characters
- Legion of Super-Heroes [Sun Boy; Cosmic Boy; Saturn Girl; Superboy; Ultra Boy; Bouncing Boy]; Pete Ross
- Synopsis
- Sun Boy loses his powers and has to find a way to recharge them.
- Reprints
"Super-Monsters" appearance
- Script
- Jerry Siegel (credited)
- Pencils
- John Forte (credited)
- Inks
- John Forte (credited)
- Colors
- ?
- Letters
- Joe Letterese
- Feature Logo
- Genre
- superhero
- Characters
- Legion of Super-Heroes [Cosmic Boy; Saturn Girl; Sun Boy; Lightning Lad; Brainiac 5; Matter-Eater Lad; Bouncing Boy; Chameleon Boy; Shrinking Violet; Superboy]; Dr. Landro
- Synopsis
- The newest Legionnaire, Matter-Eater Lad, is accused of being a spy.
- Reprints
intro & origin Matter-Eater Lad, joins the Legion.
- Script
- Jerry Siegel (credited)
- Pencils
- John Forte (credited)
- Inks
- John Forte (credited)
- Colors
- ?
- Letters
- Joe Letterese
- Feature Logo
- Genre
- superhero
- Characters
- Legion of Super-Heroes [Shrinking Violet; Bouncing Boy; Sun Boy; Cosmic Boy; Chameleon Boy; Colossal Boy; Saturn Girl; Triplicate Girl; Brainiac 5; Invisible Kid; Matter-Eater Lad; Lightning Lad; Ultra Boy; Mon-El; Superboy; Supergirl]; Lori Lemaris; Zaryan the Conqueror
- Synopsis
- Saturn Girl tries to sacrifice herself after she finds out that a computer predicts the death of a legionnaire fighting Zaryan, but Lightning Lad dies instead.
- Reprints
Death of Lightning Lad. Lori Lemaris appearance. Saturn Girl elected Legion leader.
- Script
- Jerry Siegel (credited)
- Pencils
- John Forte (credited)
- Inks
- John Forte (credited)
- Colors
- ?
- Letters
- Joe Letterese
- Feature Logo
- Genre
- superhero
- Characters
- Legion of Super-Heroes [Sun Boy; Shrinking Violet; Bouncing Boy; Cosmic Boy; Mon-El [as Marvel Lad, the Legionnaire Lemon]; Saturn Girl; Cosmic Boy; Lightning Lad; Colossal Boy; Brainiac 5; Superboy (in flashback)]
- Synopsis
- In tryouts to replace the fallen Lightning Lad, Marvel Lad wows the Legionnaires, who reveals he is Mon-El, now cured by Brainiac 5.
- Reprints
"Super-Monsters" app; Mon-El leaves Phantom Zone permanently; a newspaper headline announces the re-election of John F. Kennedy
- Script
- Edmond Hamilton (credited)
- Pencils
- John Forte (credited)
- Inks
- John Forte (credited)
- Colors
- ?
- Letters
- Joe Letterese
- Feature Logo
- Genre
- superhero
- Characters
- Legion of Super-Heroes [Sun Boy; Cosmic Boy; Saturn Girl; Chameleon Boy; Bouncing Boy; Colossal Boy; Brainiac 5; Shrinking Violet]; Legion of Substitute Heroes [Polar Boy; Night Girl; Stone Boy; Fire Lad; Chlorophyll Kid]
- Synopsis
- A group of rejected applicants band together as the Legion of Substitute Heroes and thwart the Plant Men's scheme to take over the Earth.
- Reprints
Intro & origin Legion of Substitute Heroes (Polar Boy, Night Girl, Stone Boy, Fire-Lad, Chlorophyll Kid).
- Pencils
- Curt Swan (credited)
- Inks
- George Klein (credited)
- Colors
- ?
- Letters
- Ira Schnapp
- Genre
- superhero
- Characters
- Element Lad [as Mystery Lad]; Legion of Super-Heroes [Sun Boy; Bouncing Boy; Saturn Girl]; Superboy; Bizarro
- Reprints
- Script
- Edmond Hamilton (credited)
- Pencils
- John Forte (credited)
- Inks
- John Forte (credited)
- Colors
- ?
- Letters
- Joe Letterese
- Feature Logo
- Genre
- superhero
- Characters
- Legion of Super-Heroes [Cosmic Boy; Saturn Girl; Bouncing Boy; Sun Boy; Brainiac 5; Invisible Kid; Colossal Boy]; Element Lad [as Mystery Lad]; Roxxas
- Synopsis
- The Legion takes in new member Mystery Lad on Saturn Girl's word and he helps them put an end to space pirate Roxxas.
- Reprints
Intro, origin Element Lad, who joins
- Script
- Edmond Hamilton (credited)
- Pencils
- John Forte (credited)
- Inks
- John Forte (credited)
- Colors
- ?
- Letters
- Joe Letterese
- Feature Logo
- Genre
- superhero
- Characters
- Legion of Super-Heroes [Cosmic Boy; Saturn Girl; Lightning Lass [as Lightning Lad]; Bouncing Boy; Chameleon Boy; Sun Boy; Mon-El; Lightning Lad (in flashback and lying in state); Shrinking Violet; Supergirl; Brainiac 5]; Proty
- Synopsis
- Lightning Lad's sister impersonates her dead brother and joins the Legion.
- Reprints
Intro Proty, Lightning Lass; Lightning Beasts of Korball app; Lightning Lad's body app.
- Script
- Edmond Hamilton (credited)
- Pencils
- John Forte (credited)
- Inks
- John Forte (credited)
- Colors
- ?
- Letters
- Milt Snapinn
- Feature Logo
- Genre
- superhero
- Characters
- Legion of Super-Heroes [Brainiac 5 [Querl Dox]; Bouncing Boy [Chuck Taine]; Saturn Girl [Imra Ardeen]; Sun Boy [Dirk Morgna]; Chameleon Boy [Reep Daggle]; Mon-El [Lar Gand]; Colossal Boy [Gim Allon]; Ultra Boy [Jo Nah]; Matter-Eater Lad [Tenzil Kem] (cameo); Shrinking Violet [Salu Digby] (cameo); Superboy [Kal-El; Clark Kent] (cameo); Triplicate Girl [Lournu Durgo] (cameo); Invisible Kid [Lyle Norg] (cameo); Cosmic Boy [Rokk Krinn] (cameo)]; Rainbow Girl; Jungle King [Monster Master]; Legion of Super-Monsters [Earthquake Beast; Eye-Monster; Mirror Monster; Drill Beast; Omnibeast]
- Synopsis
- Failed Legion applicant Jungle King tries to get revenge with his super-beasts.
- Reprints
- Keywords
- comet-jewels; Monster World; Sky City; Space Bank
- Script
- Edmond Hamilton (credited)
- Pencils
- John Forte (credited)
- Inks
- John Forte (credited)
- Colors
- ?
- Letters
- Milt Snapinn
- Feature Logo
- Genre
- superhero
- Characters
- Legion of Super-Heroes [Brainiac 5 [Querl Dox]; Bouncing Boy [Chuck Taine]; Saturn Girl [Imra Ardeen]; Sun Boy [Dirk Morgna]; Chameleon Boy [Reep Daggle]]; Jungle King [Monster Master] (death); Legion of Super-Monsters [Earthquake Beast; Eye-Monster; Mirror Monster; Drill Beast; Omnibeast]; gas creature
- Synopsis
- The Legion defeats the Jungle King and his super-beasts.
- Reprints
- Keywords
- Inshar; Monster World
- Script
- Edmond Hamilton (credited)
- Pencils
- John Forte (credited)
- Inks
- John Forte (credited)
- Colors
- ?
- Letters
- Milt Snapinn
- Feature Logo
- Genre
- superhero
- Characters
- Legion of Super-Heroes [Cosmic Boy; Saturn Girl; Bouncing Boy; Chameleon Boy; Triplicate Girl (cameo); Brainiac 5; Star Boy (cameo); Superboy; Ultra Boy; Colossal Boy (cameo); Element Lad (cameo); Invisible Kid; Lightning Lass; Sun Boy; Shrinking Violet]; Mxyzptlk V [as Mask Man]
- Synopsis
- The Legion confronts a masked raider looting Metropolis, who turns out to be deadly, killing several of the Legionnaires.
- Reprints
Ultra-Boy, Shrinking Violet, Chameleon Boy die. Triplicate Girl, Element Lad, and Phantom Girl die off screen
- Script
- Edmond Hamilton (credited)
- Pencils
- John Forte (credited)
- Inks
- John Forte (credited)
- Colors
- ?
- Letters
- Milt Snapinn
- Feature Logo
- Genre
- superhero
- Characters
- Legion of Super-Heroes [Superboy; Colossal Boy; Invisible Kid; Saturn Girl; Bouncing Boy; Sun Boy; Mon-El; Cosmic Boy; Colossal Boy; Brainiac 5; Lightning Lass]; Mxyzptlk V [as Mask Man]
- Synopsis
- Superboy figures out Mask Man's identity and returns him to the 5th Dimension, restoring to life all the Legionnaires.
- Reprints
Colossal Boy, Cosmic Boy, Invisible Kid, Brainiac 5, Saturn Girl, Lightning Lass, Mon-El die. All are restored.
- Script
- ?
- Pencils
- John Forte; Curt Swan
- Inks
- John Forte; George Klein
- Colors
- ?
- Letters
- typeset
- Genre
- superhero
- Characters
- Legion of Super-Heroes [Superboy; Lightning Lad; Cosmic Boy; Bouncing Boy; Saturn Girl; Chameleon Boy; Matter-Eater Lad; Sun Boy]
Back cover with text describing the contents of this collection featuring small head-shots of the characters. Headshots are from Adventure Comics #293 (Superboy), #300 (Cosmic Boy), #301 (Bouncing Boy), #302 (Sun Boy), #303 (Matter-Eater Lad), #304 (Saturn Girl), and #308 (Lightning Lad and Chameleon Boy).