The Amazing Spider-Man Vol. 2 (1998-2013) #603

Plot

The Chameleon has replaced Peter Parker so that he can get close to Mayor J. Jonah Jameson and sell the secret location of New York's new top secret underground security bunker to Arab terrorists; As an interesting aside, he manages to live Peter's life and manage his personal relationships better than Peter himself; Spider-Man manages to crawl out of the tub of acid in which he was immersed by Chameleon.