- Script
- Stan Lee (credited)
- Pencils
- Jack Kirby (credited) (layouts); Werner Roth (credited as Jay Gavin) (pencils)
- Inks
- Dick Ayers (credited)
- Colors
- ?
- Letters
- Artie Simek (credited)
- First Line of Dialogue or Text
- The Sentinels have spotted us!
- Genre
- superhero
- Characters
- X-Men [Angel [Warren Worthington III]; Beast [Hank McCoy] (origin, also in flashback); Cyclops [Scott Summers]; Iceman [Bobby Drake]; Marvel Girl [Jean Grey]; Professor X [Charles Xavier] (also in flashback)]; Master Mold (introduction); Edna McCoy (introduction, flashback); Norton McCoy (introduction, flashback); Dr. Bolivar Trask; Sentinels; Charlie (flashback)
- Synopsis
- The X-Men invade the Sentinel's underground complex but are captured. Beast is taken before the Sentinel's leader, Master Mold, and has his mind probed. Master Mold commands Trask to make an army of Sentinels so they can take over the world.
- Reprints
-
in Fantastic! (IPC, 1967 series) #28 (26 August 1967) [Black and white, First half of story, pages 1 to 10 only.], #29 (2 September 1967) [Second half of story, pages 11 to 20, reprinted.] -
in The X-Men (Marvel, 1963 series) #68 (February 1971) -
in Strange (Editions Lug, 1970 series) #15 (5 mars 1971) -
in Hulk (BSV - Williams, 1974 series) #32 ([August 1976]) -
in Spidey (Editions Lug, 1979 series) #31 (10 août 1982) -
in Marvel Masterworks (Marvel, 1987 series) #7 ([November] 1988) -
in X-Men: The Early Years (Marvel, 1994 series) #15 (July 1995) -
in Marvel Special (Marvel Italia, 1994 series) #6 (Aprile 1996) -
in Essential Uncanny X-Men (Marvel, 1999 series) #1 (September 1999) [black and white], #1 [Third Printing] (2003) [black and white] -
in The X-Men Omnibus (Marvel, 2009 series) #1 ([April] 2009) -
in X-Men Epic Collection (Marvel, 2014 series) #1 - Children of the Atom (2014)
Story continued in X-Men (Marvel, 1963 series) #16.
- Script
- Stan Lee ?
- Pencils
- Werner Roth (illustration)
- Inks
- Joe Sinnott (illustration)
- Colors
- ?
- Letters
- typeset
- Characters
- X-Men [Cyclops; Angel; Beast; Professor X]
- Reprints
Letters from: James Potter, Perry Parson, Ken Seen, Alvin Grinage, Joe Ruscetta Jr., Al Chin, James Allan, Byron Werner, Jimmy Faiz, Rich Van Der Horn, and Monty Cummings.