- Script
- Peter Sanderson (credited) (Writer, Researcher); Stan Lee (credited) (pp. 1-22, 24-25); Arnold Drake (credited) (pp. 6-7); Tom DeFalco (credited) (p. 12); David Michelinie (credited) (p. 12); Larry Lieber (credited) (pp. 15-16, 19-22, 24-25); Gary Friedrich (credited) (pp. 31-32)
- Pencils
- Jack Kirby (credited) (pp. 1-22, 24-30); Werner Roth (credited) (pp. 6-7, 22-24); Jerry Bingham (credited) (p. 12); Don Heck (credited) (p. 12); George Tuska (credited) (pp. 31-32)
- Inks
- Dick Ayers (credited) (pp 1-16, 19-22, 24-30); Vince Colletta (credited) (pp 6-7, 12, 16-19, 22-24); George Tuska (credited) (p 12); Chic Stone (credited) (p 12); George Roussos (credited) (p 18); John Verpoorten (credited) (pp 31-32)
- Colors
- Ken Feduniewicz (credited)
- Letters
- Brenda Mings (credited) (typeset); Terry Szenics (pp. 1-6, 24-25); Jean Simek (pp. 6-7, 22-24); Artie Simek (pp. 7-22, 25-32); Michael Higgins (p. 12)
- Genre
- superhero; historical
- Characters
- X-Men [Angel; Iceman]; Thor [Donald Blake]; Loki; Odin; Fantastic Four [Mr. Fantastic; Invisible Girl; Human Torch [Johnny Storm]; the Thing]; Namor the Sub-Mariner; Ant-Man [Hank Pym]; Hulk [Bruce Banner]; Circus of Crime [Ringmaster; Princess Python; the Clown]; General Thunderbolt Ross; Rick Jones; Heimdall; Laufey; Kurrgo; Wizard
- Reprints
- from Fantastic Four (Marvel, 1961 series) #6 (September 1962), #6 (September 1962)
- from The Incredible Hulk (Marvel, 1962 series) #3 (September 1962), #3 (September 1962)
- from Fantastic Four (Marvel, 1961 series) #7 [Regular Edition] (October 1962)
- from Journey into Mystery (Marvel, 1952 series) #85 (October 1962)
- from Strange Tales (Marvel, 1951 series) #101 (October 1962)
- from Tales to Astonish (Marvel, 1959 series) #36 (October 1962)
- from Journey into Mystery (Marvel, 1952 series) #101 (February 1964), #112 (January 1965), #113 (February 1965), #115 (April 1965)
- from The X-Men (Marvel, 1963 series) #44 (May 1968), #54 (March 1969)
- from Marvel Two-in-One (Marvel, 1974 series) #76 (June 1981)
- in Marvel Saga (SatellitFörlaget, 1988 series) #5
- in Essential Marvel Saga (Marvel, 2008 series) #1 (2008)
- Script
- Peter Sanderson; Stan Lee
- Pencils
- Jack Kirby
- Inks
- Dick Ayers
- Letters
- Brenda Mings (typeset); Artie Simek
- Genre
- superhero; fantasy-supernatural
- Reprints
Cover reprints of Fantastic Four #6, Journey Into Mystery #85 and The Incredible Hulk #3, on the inside back cover.