The first teaser trailer for " Avengers: Doomsday " has arrived, revealing for the first time that Chris Evans will be back in the upcoming Marvel film. The trailer was shown in theaters before screenings of " Avatar: Fire and Ash " on Thursday, Dec. 18, but it has not been released online.

Hope you like trailers, because Marvel is releasing four teasers for "Avengers: Doomsday" to be attached to "Avatar: Fire and Ash," with a new one hitting each week.