Marvel Studios revealed the runtime of 'Avengers: Doomsday'. The movie, set to be released on December 18, has a runtime of 165 minutes, or 2 hours and 45 minutes. It is longer than 'Avengers: Infinity War' (149 minutes) but shorter than 'Avengers: Endgame' (181 minutes). The film will mark the return of Robert Downey Jr and Chris Evans to franchise.