Issue: #111 B
Magneto is holding the X-Men and most of the Avengers captive. The Master of Magnetism reveals his plans to create a nuclear army of brainwashed mutants. Plus, the Black Widow becomes an official member of the Avengers team, when it’s up to her to save the day.
Creators: John Costanza, Roy Thomas, Steve Englehart, Don Heck, Mike Esposito, Dave Hunt
Characters: Hawkeye, Captain America, Iron Man, Thor, Magneto, Scarlet Witch, Angel, Cyclops, Iceman, Jean Grey, Professor X, Quicksilver, Toad, Black Panther, Vision, Black Widow, Daredevil, Jarvis, Piper, Mastermind
Story arcs: Divided We Fall