Following the events of Avengers: Endgame the world is still unsettled and in need of superheroes. With Captain America retired, it's now up to his successors in Bucky Barnes (Sebastian Stan) and Sam Wilson (Anthony Mackie) to take up his mantle, but not before confronting their own issues with each other. Despite fighting alongside each other, the two are still at odds but must learn to put their differences aside to take on a familiar foe.
Zemo (Daniel Brühl) is on the loose and looking to continue his work in ridding the world of superheroes. Along the way the two meet a familiar face in Sharon Carter (Emily VanCamp) as they try to track down Zemo and put an end to his schemes.