Captain Marvel (1968) #21

Published August 1, 1970

penciler Gil Kane

cover artist Dan Adkins

Bruce Banner agrees to help Mar-Vell escape the Negative Zone, but becomes enraged and turns into the Hulk!

Stories

penciler Gil Kane

writer Roy Thomas

letterer Art Simek

cover artist Dan Adkins

Captain Marvel (1968) #1

May 1968

Captain Marvel (1968) #2

Jun 1968

Captain Marvel (1968) #3

Jul 1968

Captain Marvel (1968) #4

Aug 1968

Captain Marvel (1968) #5

Sep 1968

Captain Marvel (1968) #6

Oct 1968