Iron Man 2 (2010)

In the sequel to the groundbreaking original, Tony Stark faces new challenges as the world learns of his identity as Iron Man. Struggling with the pressure of being a public hero and the effects of the arc reactor in his chest, Tony confronts the vengeful Ivan Vanko, who seeks to destroy him using technology derived from his father's legacy. Meanwhile, government officials want to control his suit, and new ally Natasha Romanoff, also known as Black Widow, emerges. "Iron Man 2" explores themes of legacy, responsibility, and the personal cost of heroism, as Stark seeks to redefine what it means to be Iron Man.