"Giant-Man Versus the Wonderful Wasp!", "Enter... The Chameleon!"
December 1964
A robber impersonates Giant-Man; the Chameleon is sent to spy on Banner
marvel.com
- first glimpse of the Leader
reprinted in
*
Essential Ant-Man TPB #1
(Giant-Man only)
2002, in collection
(2002*)
*
Incredible Hulk Complete Collection
2007, in collection
(2007*)