- Script
- ?
- Pencils
- ?
- Inks
- ?
- Letters
- ?
- Editing
- ?
- First Line of Dialogue or Text
- Skin surface disfigured by pimples?
Inside front cover. Ad for skin cream.
- Script
- Roy Thomas (credited)
- Pencils
- Don Heck (credited)
- Inks
- George Tuska (credited)
- Colors
- ?
- Letters
- Sam Rosen (credited)
- First Line of Dialogue or Text
- Midnight! ... and a rolling, rumbling subway...
- Genre
- superhero
- Characters
- X-Men: Angel [Warren Worthington III]; Beast [Hank McCoy]; Cyclops [Scott Summers]; Iceman [Bobby Drake]; Marvel Girl [Jean Grey]
X-Men
Vera Cantor (guest); Changeling (guest, impersonates Professor Xavier); Grotesk (villain, introduction, also in flashback as Prince Gor-Tok); King Krono (villain, introduction, death in flashback); Zelda Kurtzberg (guest); Princess Ingar (villain, introduction, death in flashback); Dr. Hunt; Mr. Chalmers
- Universe
- Marvel : mainstream
- Synopsis
- A subterranean race was destroyed by underground atomic tests and the lone survivor, Gor-Tok, seeks revenge against those responsible - humans.
- Reprints
- in Fantastic! (IPC, 1967 series) #80 (24 August 1968) [artwork reworked as cover], #80 (24 August 1968) [part 1], #81 (31 August 1968) [part 2]
- in Hit Comics (BSV - Williams, 1966 series) #103
- in Strange (Editions Lug, 1970 series) #41 (5 mai 1973)
- in The X-Men (Marvel, 1963 series) #89 (August 1974)
- in Spidey (Editions Lug, 1979 series) #57 (10 octobre 1984)
- in Marvel Special (Marvel Italia, 1994 series) #15 (Dicembre 1998)
- in Marvel Masterworks: The X-Men (Marvel, 2003 series) #4 ([October] 2004)
- in Essential Classic X-Men (Marvel, 2006 series) #2 (2006) [black and white]
- in Marvel Masterworks: The X-Men (Marvel, 2009 series) #4 (2011)
- in The X-Men Omnibus (Marvel, 2009 series) #2 (2011)
- in X-Men Epic Collection (Marvel, 2014 series) #2 - Lonely Are the Hunted (2016)
- in X-Men (Penguin Classics Marvel Collection) (Penguin Random House, 2023 series) (2023)
- Keywords
- Archer College; nuclear oscillotron
Changeling is disguised as Professor X.
- Script
- Stan Lee; ?
- Letters
- typeset
- First Line of Dialogue or Text
- More batty bulletins to bewilder, bewitch, and bedazzle thee!
Includes Stan's Soapbox, "The Mighty Marvel Checklist" and "Let's meet 26 more M.M.M.S. members!"
- Script
- Roy Thomas
- Pencils
- Ross Andru (illustrations)
- Inks
- George Roussos (illustrations)
- Colors
- ?
- Letters
- typeset
- Characters
- Beast; Cyclops; Iceman; Marvel Girl
- Reprints
Letters from: Frank Hembeck, Rick Ellrod, Bobby Wilson, Saul David, Guy H. Lillian III, Loren MacGregor, and Douglas Dams.
- Script
- ?
- Pencils
- ?
- Inks
- ?
- Letters
- typeset
- Editing
- ?
- First Line of Dialogue or Text
- Here's a whole treasure chest of fun
Inside back cover. Ad for a variety of novelty items.
- Script
- ?
- Pencils
- ?
- Inks
- ?
- Colors
- ?
- Letters
- typeset
- Editing
- ?
- First Line of Dialogue or Text
- We're looking for people who like to draw
- Characters
- Norman Rockwell
Back cover. Ad for the Famous Artists School.