Spoilers ahead for Avengers: Endgame. One of the more confusing aspects of Avengers: Endgame’s time travel trickery is the ending to Captain America’s story. At the end of the movie, Captain America (Chris Evans) goes to put the Infinity Stones back in time where they came from so as not to disrupt the timeline. But then he decides to stay in the 1940s with Peggy Carter (Hayley Atwell) and grow old with her. This raises the question: Did Cap’s presence in the past create a new timeline? Screenwriters Christopher Markus and Stephen McFeely talked to Fandango about …