To make the Hulk look real, rather than a cartoon plopped into a scene like MC Skat Kat, required a lot of tinkering and experimentation. Chu’s secret weapon: a guy called “Green Steve.” “He was a Chippendales dancer and we painted him green,” Chu explained. “At the end of every take, we would call out Green Steve, and he would come out and start flexing and turning around. We could see how his skin reacted to light.”

