What If...? Season 1 (2021)

When Steve Rogers is seriously injured, Peggy Carter becomes the world's first Super Soldier.

The rough-and-tumble space pirates known as the Ravangers abduct T'Challa instead of Peter Quill.

Nick Fury struggles to launch The Avengers when candidates are targeted by a serial killer.

A grief-stricken Doctor Strange uses the Eye of Agamotto in a dangerous effort to change the past.

When The Avengers are infected by a zombie plague, surviving heroes search for a cure.

Killmonger rescues Tony Stark when his Humvee is attacked in Afghanistan and manipulates his influence for his designs of conquering Wakanda.

Thor, who never learned to be a good hero, throws an out-of-control intergalactic party on Earth.

Natasha Romanoff and Clint Barton seek to destroy killer-robot Ultron following a cataclysmic event.

The Watcher gathers heroes from across the multiverse for one final battle against Infinity Ultron.

Nebula sets out to prove her detective chops when she's recruited to join the Nova Corps.

When Ego and a young Peter Quill attack Earth in 1988, Howard Stark and Peggy Carter form a team.

Happy Hogan sets out to prove his hero chops when Justin Hammer lays siege to Avengers Tower during the annual holiday party.

Tony Stark challenges The Grandmaster, leading to a grand prix-turned-demolition-derby death match.

Captain Carter's mission to save Steve Rogers sets her on a collision course with new enemies.

A Mohawk woman ventures into the waters of the Forbidden Lake to help save her people.

Hela - stripped of her powers and banished to Earth - comes across a new source of power: the Ten Rings.

Captain Carter tries to undo the anomaly that strands familiar heroes and villains in 1602.

Strange asks Peggy to help with an adversary. But this demented sorcerer is keeping a secret from his old friend.

Massive monsters emerge after a gamma incident, threatening humanity. As the Avengers struggle, new heroes rise to battle the creatures using advanced mech suits. Sam Wilson forms an unexpected bond with Bruce Banner amid the chaos.

In 1930s Hollywood, a rising starlet manipulates a wealthy industrialist to fund her film, secretly planning a world-altering ritual. An unlikely hero emerges from Bollywood to thwart her mystical scheme and save reality as we know it.

Two Soviet agents, the Red Guardian and Winter Soldier, botch a 1991 mission to eliminate the Starks. Facing consequences, they flee their handlers and SHIELD, becoming unlikely allies in a dangerous game of survival and evasion.

A duck-human couple's unexpected offspring becomes the center of a cosmic power struggle. As various MCU entities seek the child's prophesied abilities, the new parents face challenges, starting with a suspicious vacation offer.

In a fractured world, Riri Williams leads rebels against the oppressive Quentin Beck and his Iron Legion. Armed with illusion-based powers, Beck seems unstoppable. Riri's failures are mirrored in other realities observed by the Watcher.

In an alternate 1872, Shang-Chi and Kate Bishop roam the Wild West, battling foes and searching for the nefarious Hood. They seek his Ghost Train and hope to find Shang-Chi's missing sister, along with other vanished Chinese immigrants.

A skilled leader forms an elite squad to combat interdimensional threats. When her ally vanishes, they embark on a quest to locate him, seeking a powerful entity capable of transporting them to his otherworldly prison.

Pursued across realities, Captain Carter and her team aid the Watcher in evading capture. They seek refuge in the Multiverse's hidden corners in a fight for survival as other Watchers close in, intent on their total annihilation.