Fan Casting Tony Stark in MMU/1.: The Iron Man (2008)

Billionaire genius, Tony Stark is the head of the weapon maker company, Stark Industries. He is a careless playboy at the start, but he changes after he spent two months in captivity in Afganisthan. He experienced the terrible things his wepons can do at first hand, when shrapnel shards pierced in his heart. In captivity, he built a special ARC reactor, that keeps him alive, and a suit of armor, which helped him escape. After he returned home, he stopped the weapon manufacture and wanted to help the people who are in danger because of him. He perfected the armor, and became the Invincible Iron Man.