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?

Despite five hours of streamed casting announcements, there are still several characters and actors fans are surprised won’t be in Avengers: Doomsday. Some we knew about but the following omissions are notable given the cosmic cross-over nature of what’s shaping up to be an Avengers,