- Script
- Mark Gruenwald (plot, uncredited); Steven Grant (plot, uncredited); David Michelinie (plot, script)
- Pencils
- John Byrne
- Inks
- Dan Green (uncredited)
- Colors
- Roger Slifer (uncredited)
- Letters
- typeset
- Genre
- super-héros (superhero)
- Characters
- the Avengers [the Beast; Captain America [Steve Rogers]; the Falcon; Ms. Marvel [Carol Danvers]; Quicksilver (origin, details); the Scarlet Witch (origin, details); the Vision; the Wasp]; Bova; Chthon (I); Django Maximoff; Edwin Jarvis; Henry Peter Gyrich; the High Evolutionary (flashback); Jonathan Drew (flashback); Magda (wife of Magneto, mother of Quicksilver and the Scarlet Witch, flashback) (I); Modred the Mystic; Robert Frank [a.k.a. the Whizzer] (flashback); his wife Madeline Joyce Frank [a.k.a. Miss America] (flashback)
- Reprints
Magneto revealed as father of Quicksilver and the Scarlet Witch via the appearance of Magda in X-Men #125.