Avengers Vol.1 #9
Baron Zemo and the Masters of Evil transform Simon Williams into Wonder Man and send him to infiltrate the Avengers; Instead, he winds up allying with them at the cost of his own life.
First Printing: Oct 1964
Writers: Stan Lee
Art: Don Heck and Dick Ayers
Cover: Jack Kirby and Chic Stone
Key Issue Details
- 1st appearance and death of Wonder Man, later resurrected