Time travel is typically pretty confusing. Each film or franchise establishes its own rules for traversing time and the consequences for doing so. In Avengers: Endgame, the rule is that you cannot affect the future by traveling into the past. Any and all changes made simply create an alternate reality. Trying to keep track of all the realities the Avengers may have inadvertently created in the film is no easy task.
However, a fan named Oren Bell recently published an interactive map of the timelines featured in Endgame. It tracks each of the Avengers, as well as Thanos and the Infinity Stones, in their respective journeys through time and space so that users can keep track of what happened when. The map also clarifies potential plot holes stemming from the use of time travel.
The map focuses on what Bell refers to as the "Prime Reality," as in the one reality the Marvel Cinematic Universe has shown us across 22 films. However, in an effort to explain Captain America's appearance as an old man at the end of the film, Bell seems to suggest Endgame shows a different reality from its predecessors. Directors Joe and Anthony Russo and writers Christopher Markus and Stephen McFeely have disagreed in the past about Steve Rogers' use of time travel and what that means for the timeline.
Directed by Joe and Anthony Russo, Avengers: Endgame stars Robert Downey Jr. as Iron Man, Chris Evans as Captain America, Mark Ruffalo as Bruce Banner, Chris Hemsworth as Thor, Scarlett Johansson as Black Widow, Jeremy Renner as Hawkeye, Brie Larson as Captain Marvel, Paul Rudd as Ant-Man, Don Cheadle as War Machine, Karen Gillan as Nebula, Danai Gurira as Okoye and Bradley Cooper as Rocket, with Gwyneth Paltrow Pepper Potts, Jon Favreau as Happy Hogan, Benedict Wong as Wong, Tessa Thompson as Valkyrie and Josh Brolin as Thanos. The film is in theaters now.