After the events of Avengers: Endgame, the Marvel Cinematic Universe was changed forever. Tony Stark (Robert Downey Jr.) and Natasha Romanoff (Scarlett Johansson) both sacrificed themselves to save the world, while Cap (Chris Evans) traded in his iconic shield for a happy ending with Peggy Carter (Hayley Atwell) in the past after returning the Infinity Stones to their rightful places in the timeline.