Jon Favreau helped initiate the Marvel Cinematic Universe with 2008’s Iron Man, but he also wanted to make the first Captain America movie, which could have been quite different. Jon Favreau’s take on Tony Stark in 2008 was a game-changer, with impeccable casting and a reimagined origin story for Iron Man that honored Stan Lee and Jack Kirby’s comics while modernizing the classic character.
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