- Script
- Steve Englehart (plot, script); Al Milgrom (plot)
- Pencils
- Al Milgrom
- Inks
- Klaus Janson
- Colors
- Phil Rachelson
- Letters
- June Braverman; Gaspar Saladino (splash)
- Genre
- superhero
- Characters
- Captain Marvel [Mar-Vell]; Rick Jones; Watchers [Uatu; Emnu; Aron; Engu; Atul]; Mad-Eye (villain); Fantastic Four [Mr. Fantastic; Invisible Girl; Human Torch [Johnny Storm]; the Thing] (cameo flashback); Molecule Man (cameo flashback); Silver Surfer (cameo flashback); Galactus (cameo flashback); Adam Warlock (cameo flashback); Thor (cameo flashback); Overmind (cameo flashback); Dormammu (cameo flashback); Loki (cameo flashback); Mandarin (cameo flashback); Electro (cameo flashback)
- Reprints
Tony Isabella credited for "research." Englehart and Milgrom listed as "co-author" [sic]. One Watcher's name is spelled as both "Engu" and "Ingu."