Interesting...according to wikipedia:
After the 2003 film Hulk, Marvel Studios reacquired the rights to the character, and writer Zak Penn began work on a loose sequel that would be closer to the comics and the television series. Norton rewrote the script after he signed on to star, severing ties to its predecessor by retelling the origin story in flashbacks and revelations. Filming took place primarily in Toronto, Canada in 2007, and the film's crew went to great lengths to reduce the production's carbon emissions. Letterier's direction aimed to make the monsters look more realistic and frightening. He redesigned Blonsky, who in the comics is a reptilian KGB agent, into a mutant soldier.
"I've been trying to change the world for years, but they just won't give me the source code."
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