Iron Man is a fictional superhero created by Stan Lee and Don Heck and published by Marvel Comics.
Iron Man is born from the brilliant mind of Anthony Edward Stark called by all Tony Stark, an American engineer billionaire, business magnate and owner of Stark Industries, a leader in the production of weapons of war.
Following the war in Vietnam, Tony decides to help the US contingent. He travels in places of war, for a demonstration of some of his new weapons, falls victim to an ambush, remaining badly injured by some shrapnel from an exploded mine, which is going to stick very close to the heart. His captors attempt to force him to build a weapon of mass destruction.
Tony is saved by the famous physicist Ho Yisen, his cellmate, who shoves a magnetic plate in the chest in order to slow the progression of shrapnel to his heart and also helps him, during his imprisonment, to use the material in their disposal, not to make weapons, but rather to create an armor which allows Tony to kill his prisoners and escape. During the fight, however Yisen sacrifices his life to give time to Tony to wear and load the armor.
Returned to America Tony decides to perfect his invention and to use his power to protect the world, assuming the identity of Iron Man. Tony stops also build weapons for the US and decides to use its assets to create the Avengers, a group of superheroes to defend the world.