Marvel Studios is revealing the cast of “Avengers: Doomsday” via an hours-long livestream across social media. Every 10-15 minutes, the video pans to a new director’s chair with an actor’s name printed on the back. As of writing, the following actors have been revealed:

As this list shows, the ranks of Earth's Mightiest Heroes could really swell by the time Avengers: Doomsday rolls around. The original MCU Avengers consisted of six heroes (Iron Man, Cap, Hulk, Thor, Black Widow and Hawkeye). Can the new movies really support a cast of 20 or more heroes?

Chris Hemsworth’s Thor, Anthony Mackie’s Captain America, Sebastian Stan’s Bucky Barnes, Tom Hiddleston's Loki and Paul Rudd’s Ant-Man are all back in the “Avengers” ensemble