Marvel Animation's What If…? Season 3: Inside the Episodes with Spoilers

Marvel Animation‘s What If…? Season 3 is coming this Christmas holiday. The first episode will premiere on December 22, 2024, and the season will conclude with the final episode on December 29, 2024, on Disney+. Additionally, we have exclusive plot details for the 8-episode final season.

What If…? Season 3: Episode Titles, Synopses, and Minor Spoilers

What If…? Season 3 Episode 1: “What If…The Hulk fought the Mech Avengers?”

Synopsis: “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 Episode 2: “What If…Agatha Went to Hollywood?”

An Early Spider-Man: Brand New Day Story Featured Daredevil

Chris Hemsworth’s Thor Battles an Avenger Who Serves as Doctor Doom’s Right-Hand Man in Doomsday

What if...Agatha went to Hollywood — Image Source: Marvel

Synopsis: “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, another superpowered co-star will be on the call sheet: Kingo.”

What If…? Season 3 Episode 3: “What If…The Red Guardian Stopped the Winter Soldier?”

Synopsis: “It’s 1991, and the Red Guardian takes it upon himself to join a high-profile mission to prove his worth to his Red Room superiors. However, when his antics interfere with the Winter Soldier’s mission to assassinate Howard Stark, the two Soviet supersoldiers must form an uneasy alliance to escape the United States.”

What If…? Season 3 Episode 4: “What If…Howard the Duck Got Hitched?”

Synopsis: “Howard the Duck and Darcy Lewis find themselves aboard an intergalactic pleasure cruise. When dangerous factions from across the galaxy converge to threaten their voyage, the unlikely duo must uncover their own cosmic powers to withstand the onslaught.”

What If…? Season 3 Episode 5: “What If…The Emergence Destroyed the Earth?”

Synopsis: “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. However, freedom fighters recruit Riri Williams for a deadly mission to take him down.”

What If…? Season 3 Episode 6: “What If…1872?”

Synopsis: “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, protecting the innocent from the sinister threats of The Hood.”

What If…? Season 3 Episode 7: “What If…The Watcher Disappeared?”

Synopsis: “The Watcher must stand trial for his many interventions.”

CBMscene: “I was right about Uatu being banished by the Watchers, which is why there are no new What If… seasons until Secret Wars.”

What If…? Season 3 Episode 8: “What If… What If?”

Synopsis: “The end of the beginning…”

CBMscene: “After this finale, Uatu will be forced to witness a darker future.”

Here’s the synopsis for What If…? Season 3:

Marvel’s animated series What If…? returns in Season 3 for its culminating adventure through the multiverse. Watch as classic characters make unexpected choices that will mutate their worlds into spectacular alternate versions of the MCU. Watcher will guide viewers as the series traverses new genres, bigger spectacles, and incredible new characters.

The voice cast of What If…? Season 3 includes: