Since being introduced in 1962, Hulk has adopted many different forms, including grey, blue, red and black. In fact, Bruce Banner's green form wasn't even the first. Here are the 11 different ...

The Green Hulk is the most well-known Hulk ... When the Enigma Force took over the Hulk, he became the Blue Hulk. The Blue Hulk boasted all of the powers of Captain Universe, increasing his ...