- Script
- Edmond Hamilton
- Pencils
- John Forte
- Inks
- John Forte
- Colors
- ?
- Letters
- Milt Snapinn
- Feature Logo
- Genre
- superhero
- Characters
- Legion of Super-Heroes [Bouncing Boy [Charles Foster Taine]; Brainiac 5 [Querl Dox]; Chameleon Boy [Reep Daggle]; Colossal Boy [Gim Allon]; Cosmic Boy [Rokk Krinn]; Element Lad [Jan Arrah]; Invisible Kid [Lyle Norg]; Lightning Lass [Ayla Ranzz]; Mon-El [Lar Gand]; Phantom Girl [Tinya Wazzo]; Shrinking Violet [Salu Digby]; Star Boy [Thom Kallor]; Sun Boy [Dirk Morgna]; Superboy [Clark Kent]; Triplicate Girl [Lourno Durgo]; Ultra Boy [Jo Nah]]; Ak Aru; Mask Man [Unknown]
- Synopsis
- The Legion confronts a masked raider looting Metropolis, who turns out to be deadly, killing several of the Legionnaires.
- Reprints
- Keywords
- Doll World
Ultra Boy, Shrinking Violet, Chameleon Boy die. Triplicate Girl, Element Lad, and Phantom Girl die off-screen.
- Script
- Edmond Hamilton
- Pencils
- John Forte
- Inks
- John Forte
- Colors
- ?
- Letters
- Milt Snapinn
- Feature Logo
- Genre
- superhero
- Characters
- Legion of Super-Heroes [Bouncing Boy [Charles Foster Taine]; Brainiac 5 [Querl Dox]; Chameleon Boy [Reep Daggle]; Colossal Boy [Gim Allon]; Cosmic Boy [Rokk Krinn]; Element Lad [Jan Arrah]; Invisible Kid [Lyle Norg]; Lightning Lass [Ayla Ranzz]; Mon-El [Lar Gand]; Phantom Girl [Tinya Wazzo]; Shrinking Violet [Salu Digby]; Star Boy [Thom Kallor]; Sun Boy [Dirk Morgna]; Superboy [Clark Kent]; Triplicate Girl [Lourno Durgo]; Ultra Boy [Jo Nah]]; Ak Aru; Mask Man [Mxyzptlk V]
- Synopsis
- Superboy figures out Mask Man's identity and returns him to the 5th Dimension, restoring to life all the Legionnaires.
- Reprints
- Keywords
- Doll World
Colossal Boy, Cosmic Boy, Invisible Kid, Brainiac 5, Saturn Girl, Lightning Lass, Mon-El die. All are restored.
- Script
- ?
- Pencils
- ?
- Inks
- ?
- Colors
- ?
- Letters
- typeset
Letters from Daniel Ocko, Marvin Sandler, Connie Olive, James Pertanova, and Edmond Hamilton (comic and SF author). Suggestions for new Legionnaires include Duplicate Boy and Spider Lass.