On Tuesday, Marvel launched a new livestream for "Avengers: Doomsday" on YouTube with the title "DOOMSDAY CLOCK" after releasing the fourth trailer for the highly anticipated movie online. The latest teaser was previously shown in theaters before " Avatar: Fire and Ash " beginning last week.

In addition to the tease of Thor's return, a separate Avengers: Doomsday trailer has also been playing in front of Avatar: Fire and Ash, featuring another popular Marvel character played by an actor named Chris. Yes, that's right: Captain America will also return in the highly anticipated flick.

Marvel Studios is getting ready to roll out the fourth and final teaser trailer for Avengers: Doomsday , and while fans have been holding out hope for a proper reveal of Doctor Doom, which has been previously rumored,

Marvel continues to roll out teaser trailers for its upcoming film, “Avengers: Doomsday,” and on Tuesday, the latest trailer was officially released online, confirming the return of the X-Men.