Captain America/Sam Wilson must suit up in a colossal mech suit to battle Bruce Banner after an attempt to cure himself of the Hulk goes horribly wrong. Bucky Barnes, Monica Rambeau, Moon Knight, and others must join Sam as his new team of Mech Avengers.

What If...? Season 3 Episodes...

• s03e01 - What If... The Hulk Fought the Mech Avengers?
• s03e02 - What If... Agatha Went to Hollywood?
• s03e03 - What If... The Red Guardian Stopped the Winter Soldier?
• s03e04 - What If... Howard the Duck Got Hitched?
• s03e05 - What If... The Emergence Destroyed the Earth?
• s03e06 - What if... 1872?
• s03e07 - What if... The Watcher Disappeared?
• s03e08 - What if... What if?

What If...? Show Summary

What If... ? flips the script on the MCU, reimagining famous events from the films in unexpected ways. Marvel Studios' first animated series focuses on different heroes from the MCU, featuring a voice cast that includes a host of stars who reprise their roles.