The larger MCU story will likely start to come together quickly heading toward the next big crossover movie, Avengers: Doomsday, which as of this writing is less than a year-and-a-half away. But exactly what the plot of that movie actually is is anybody's guess.

Avengers: Doomsday has taken an intriguing turn with Chris Evans joining Robert Downey Jr. in the cast. While Downey Jr.’s role as Doctor Doom was revealed at San Diego Comic-Con, Evans’ character remains a mystery,

One theory surrounding Endgame's ending could ensure Chris Evans' survival in the events of Avengers: Doomsday.