in times of extreme anger, he transforms into a huge, incredibly strong green creature, who has been given the name "The Incredible Hulk".

in times of extreme anger, he transforms into a huge, incredibly strong green creature, who has been given the name "The Incredible Hulk".

"It’s very expensive if you did a whole movie, which is why they use the Hulk so sparingly," Mark Ruffalo ... Never miss a story — sign up for PEOPLE's free daily newsletter to stay up-to ...