Avengers: Endgame is a 2019 superhero film and the culmination of the Marvel Cinematic Universe's Infinity Saga. Robert Downey Jr. reprises his role as Tony Stark/Iron Man, who plays a pivotal role in the epic battle against the villain Thanos. The film follows the remaining Avengers as they attempt to reverse the devastating effects of Thanos' snap and bring back their fallen allies. Avengers: Endgame became the highest-grossing film of all time and received widespread acclaim for its emotional storytelling and satisfying conclusion.