What If…? flips the script on the MCU by reimagining 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.
After an ambush in the lab, Peggy Carter steps in and takes the Super Soldier serum and uses her newfound power and strength to charge right into battle.
What would have happened if T'Challa and not Peter Quill were picked up by Yondu as a child and became Star-Lord?
Nick Fury struggles to launch The Avengers when candidates are targeted by a serial killer. Meanwhile, Loki presented himself to the Earth governments as king of Asgard using all his diplomacy.
After losing the love of his life in a car crash, Doctor Strange becomes consumed with finding a spell that can bring Christine back to life.
When The Avengers are infected by a zombie plague, surviving heroes search for a cure.
An American soldier called Killmonger rescues Tony Stark when his Humvee is attacked in Afghanistan.
Thor, who never learned to be a good hero, throws an out-of-control intergalactic party on Earth. He learns a neat trick the Skrulls can do, then meets Jane Foster for the first time.
Natasha Romanoff and Clint Barton seek to destroy killer-robot Ultron following a cataclysmic event.
In order to defeat Ultron, The Watcher breaks his oath and assembles a team of heroes from across the timelines.
In a world where Ronan deposes Thanos long before the events of "Infinity War," Nebula is recruited to join the Nova Corps. Desperate to escape her father's shadow, she sets out to prove her detective chops.
In 1988 after seeing his mother Meredith die, Peter Quill is abducted by a group of Ravengers led by Yondu Udonta sent by the Celestial planet Ego. However rather than having a change of heart and raising Quill as his own, Yondu gave him to Ego as originally planned. Taking his walkman away, Ego raised him beginning to show his Expansion plan.
When Justin Hammer lays siege to Avengers Tower during the annual holiday party, there's only one person left on site to stop him - Happy Hogan. But in setting out to prove his hero chops, Iron Man's errand boy may end up transforming himself in more ways than one.
After his gambit to destroy the Chitauri Fleet during the battle of New York strands him on the planet of Sakaar, Tony Stark's efforts to overthrow The Grandmaster lead to a ceremonial, grand prix-turned-demolition-derby—a death match that could land Tony on the Sakaarian throne.
Peggy Carter / Captain Carter believes that the love of her life, Steve Rogers, is long-dead until he is discovered alive as the villainous Hydra Stomper.
A Mohawk woman ventures into the waters of the Forbidden Lake to help save her people.
Growing weary of Hela's bloodlust, Odin opts to teach his daughter a lesson by stripping her of her powers and banishing her to Earth. But when she lands in ancient China, the seductive lure of the Ten Rings threatens to reawaken the Goddess of Death's villainous appetite.
When Captain Carter is transported to an Elizabethan-era locale that's populated by modernday MCU figures, she'll have to uncover the cause of the temporal anomaly that's mysteriously stranded so many familiar heroes and villains in the year 1602.
When Captain Carter teams up with an old friend to hunt down vicious Universe Killers terrorizing the Multiverse, she discovers the greatest threat to all existence may be closer than she realizes.
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.
Howard Stark may have helped the Allies win World War II…but what he really wants to do is direct! On the set of Stark Pictures' first production, the playboy auteur quickly finds himself enchanted by his bewitching lead actress, Agatha Harkness. Little does she know there will be another superpower co-star on the call sheet...Kingo.
It is 1991, and the Red Guardian takes it upon himself to join a high-profile mission and prove himself to his Red Room superiors. When his antics interfere with the Winter Soldier's own mission to kill Howard Stark, the two Soviet supersoldiers must form an alliance to escape the United States.
Howard the Duck and Darcy Lewis find themselves on an intergalactic pleasure cruise. When dangerous factions from across the galaxy descend to threaten their trip, they must discover their own cosmic powers to withstand the onslaught.
In a Universe where The Eternals never stopped The Emergence, the birth of an incubating Celestial shatters the Earth. Civilization endures on the rocky remnants of our planet, where Quentin Beck leads an authoritarian regime until freedom fighters recruit Riri Williams on a deadly mission to take him down.
In a universe where the heroes of the MCU live in the Old West, Shang-Chi and his pistol-packing partner, Kate Bishop, traverse the frontier, saving the innocent from the evils of The Hood.
The Watcher must stand trial for his many interventions.
The end of the beginning...
Complete episode guide for What If...? with detailed information about every season and episode including air dates, summaries, ratings, and streaming availability in United States.
This episode guide is organized by seasons, making it easy to track your viewing progress or find specific episodes. Use the episode information to plan your binge-watching sessions or catch up on missed episodes.