- Mark walking-spoiler Ruffalo did it again and spoiled the ending for 'Avengers: Endgame' weeks before the movie premiere. - Obviously spoilers for endgame: [Spoiler (click to open)]In an interview with E!News, Mark Ruffalo revealed that Captain America got married at the end of the movie. If you've seen Endgame, you know that after they defeat Thanos, Captain America goes back in time to return the Infinity Stones, but decides to stay in the past and eventually gets married to Peggy Carter. - Marvel snipers have not shot him dead yet.