The X-Men have arrived in the MCU with the latest "Avengers: Doomsday" teaser, which includes appearances from Patrick Stewart, Ian McKellen, and James Marsden.

Marvel dropped another “Avengers: Doomsday” trailer, this time focusing on Chris Hemsworth’s Thor.

The first official trailer for "Avengers: Doomsday" dropped Tuesday and confirmed a major character's return.