

Season 3
One question changes everything.
Synopsis
What If...? Season 3 watch online on iFILM — eight episodes from 2024, the final run of Marvel Studios' animated anthology.
The premises this season are the most offbeat yet. Bruce Banner tries to cure himself of the Hulk, accidentally builds a monster army, and Sam Wilson has to climb into a colossal mech suit to stop it. Agatha Harkness surfaces on Howard Stark's 1930s film set with an agenda of her own. The Red Guardian and the Winter Soldier find themselves on the same 1991 mission with completely opposite intentions. Shang-Chi and Kate Bishop saddle up in a frontier western set in 1872. Each episode commits fully to a single genre — mecha action, screwball comedy, western, noir — without trying to stitch them mid-run. The two-part finale puts The Watcher on trial for every time he broke his oath, and Peggy Carter leads the effort to defend him.
Eight episodes, fast and restless. It's the most genre-restless of the three seasons — and the one most willing to leave the MCU playbook behind. Stream What If...? Season 3 online on iFILM.
8 episodes
S3·E1What If... The Hulk Fought the Mech Avengers?
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.
S3·E2What If... Agatha Went to Hollywood?
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.
S3·E3What If... The Red Guardian Stopped the Winter Soldier?
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.
S3·E4What If... Howard the Duck Got Hitched?
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.
S3·E5What If... The Emergence Destroyed the Earth?
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.
S3·E6What If... 1872?
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.
S3·E7What If... The Watcher Disappeared? (1)
The Watcher must stand trial for his many interventions.
S3·E8What If... What If? (2)
The end of the beginning...




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