Avengers (1963) #111
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.
Published: 5/1/1973
- John Costanza, letterer
- Steve Englehart, writer
- Mike Esposito, inker
- Don Heck, penciler
- Dave Hunt, colorist