Amazing Spider-Man Vol.1 #110
Inspired by Spider-Man's example, misfit Marty Blank dons an ape costume and plans to fight crime as the Gibbon, but Spider-Man mocks him, leaving him vulnerable to someone who plans to take advantage of the situation.
Printed: Jul 1972
Writers: Stan Lee
Art: John Romita Sr. and Tony Mortellaro
Cover: John Romita Sr. and Frank Giacoia