Cover Date: August 1979
Writers: Mark Grenwald, Steven Grant, David Michelinie
Art: John Byrne
Featured Characters: The Avengers [the Scarlet Witch; Vision; Iron Man [Tony Stark]; Captain America [Steve Rogers]; Beast; Wasp [Janet Pym]; Falcon]
- Chthon appears as a cloud entity and possesses the Scarlet Witch
- First appearance of Magda, the wife of Magneto and mother to Quicksilver and Scarlet Witch
- Origin story of Scarlet Witch and Pietro, told by Bova
- Suggests that Magneto is the father of Quicksilver and Scarlet Witch
