The deal with Iron Man and Spiderman is that, in the comics the U.S. government wants all the superpowered beings to register, and possibly work for the government, you know... draw a check with good dental benefits..... finally. This act splits the heroes into two camps, one side that is pro-registration, with Iron Man in charge, and the other side, the resistors led by Captain America. Well, Spiderman decides to trust Iron Man and unmasks himself on tv. HOLY SMOKES. That's right, everyone, including J. Jonah Jameson, knows that Spiderman is Peter Parker. And Iron Man? Well, he comes off as sort of an ass at the end. DAMMIT!