After Tony Stark's world is shattered by the terrorist known as the Mandarin, he embarks on a journey to rebuild and seek revenge. Along the way, Tony discovers a plot involving unethical biological research and a treatment called Extremis. With the help of a young boy named Harley, Tony uncovers the truth and must stop the threat before it's too late.

With the world now aware of his identity as Iron Man, Tony Stark must contend with both his declining health and a vengeful mad man with ties to his father's legacy. Ivan Vanko, seeking revenge against the Stark empire, recreates the Arc reactor and builds his own weaponized suit. Meanwhile, Tony battles palladium poisoning and clashes with the government and Senate hearings. With the help of fellow SHIELD agents, Tony discovers a new element to cure his poisoning and confronts Vanko at the Stark Expo, saving the day.

After being captured by terrorists in Afghanistan, billionaire engineer Tony Stark builds a powerful suit of armor to fight against evil and protect the innocent. With his new suit, Iron Man uses advanced weapons and technology to take down the terrorists and right his company's wrongs.