Since time immemorial, the machine of movie merchandising has revealed plot details—or at the very least got people to wildly and often incorrectly speculate about them—well before a movie’s release.
Back in the early Marvel Cinematic Universe days, the second movies of a sub-franchise weren’t much to write home about.
Since 2014's Captain America: The Winter Soldier, Anthony Mackie has popped up as former pilot (and Steve’s ever reliable bestie) Sam Wilson.