Avengers Annual (1967) #13
When the Avengers come across the hidden labs of Bruce Banner in the Catskill Mountains, they reach out to Mr. Fantastic and She-Hulk to figure out just what Dr. Banner has been up to. Plus: the shared history of She-Hulk and the Hulk revealed!
Stories
penciler
Steve Ditko
editor
Mark Gruenwald
writer
Roger Stern
letterer
Joe Rosen
colorist
Ken Fedunieiwicz
Cover Information
cover artist
John Byrne