Episodes 01
“What If… Nebula Joined the Nova Corps?”
Nova Prime recruits Nebula to join the Nova Corps following Ronan the Accuser’s successful coup against Thanos. Five years later, after Xandar is sealed off from the universe to protect itself from Ronan’s forces, Nebula discovers Yondu Udonta’s body and receives orders from Nova Prime to investigate. She learns that Yondu located the codes to open the planetary shield and enlists Kree soldier Yon-Rogg to infiltrate the Nova Corps mainframe to destroy them. Yon-Rogg betrays her, revealing that he and Nova Prime plan to give up Xandar to Ronan. Nebula survives an execution attempt by Nova Prime’s men, subsequently enlisting casino owner Howard the Duck and his subordinates Groot and Korg to stop Nova Prime. During their fight, Nebula reveals she realized Nova Prime’s defection when she assigned the mission to her and altered the code so that the shield would close again as Ronan’s ship, the Dark Aster, enters Xandar, destroying it and killing Ronan. Nova Prime tries to escape, but falls to her death. The shield reopens as Nebula prepares to continue defending Xandar.
Cast : Karen Gillan as Nebula, Jude Law as Yon-Rogg, Michael Rooker as Yondu Udonta, Seth Green as Howard the Duck, Taika Waititi as Korg, Peter Serafinowicz as Garthan Saal, Julianne Grossman as Irani Rael / Nova Prime, and Fred Tatasciore as Groot.
Episodes 02
“What If… Peter Quill Attacked Earth’s Mightiest Heroes?”
In 1988, the Ravagers take Peter Quill to Ego, who urges him to help his expansion across the universe. Six months later, after ravaging several worlds, Quill returns to Earth. In response, Peggy Carter and Howard Stark recruit Bill Foster, King T’Chaka of Wakanda, Bucky Barnes, Dr. Wendy Lawson, and a reluctant Hank Pym, who brings his daughter Hope van Dyne along. After a scuffle on Coney Island, the team detains Quill with help from Thor. As the team discusses their next move, Van Dyne frees Quill, who travels to Missouri. As T’Chaka, Foster, and Thor aid Carter’s forces in holding back Ego, Pym and Lawson encounter Quill visiting his mother’s grave. A sympathetic Pym convinces him to stand against his father. Barnes—under the influence of his manipulators—prepares to assassinate Quill until Stark reminds him of his best friend, Steve Rogers. As Ego overwhelms the heroes and attempts to obtain his seed, Pym and Quill arrive in time to stop him, with the latter using the seed to destroy Ego’s avatar. The team, minus Barnes, celebrates their victory before setting out to confront Ego himself.
Cast : Michael Douglas as Hank Pym / Ant-Man, Hayley Atwell as Peggy Carter, John Slattery as Howard Stark, Kurt Russell as Ego, Chris Hemsworth as Thor, Laurence Fishburne as Bill Foster / Goliath, Sebastian Stan as Bucky Barnes / Winter Soldier, Atandwa Kani as King T’Chaka / Black Panther, Madeleine McGraw as Hope van Dyne, Mace Montgomery Miskel as Peter Quill, Keri Tombazian as Mar-Vell / Wendy Lawson, and Gene Farber as Karpov.
Episodes 03
“What If… Happy Hogan Saved Christmas?”
On Christmas Eve, Happy Hogan is assigned to oversee security at Avengers Tower for an annual holiday party until Justin Hammer and his henchmen Sergei and Rusty break out of prison and assault the Tower for Tony Stark’s technology and a sample of Bruce Banner’s blood. While attempting to save the blood sample, Hogan is accidentally injected with it, causing him to gradually transform into a Hulk-like monster while retaining his intelligence. With the Avengers busy and Stark’s A.I. J.A.R.V.I.S. inactive, Hogan contacts Darcy Lewis, who tries to find a new A.I. to reboot the tower’s systems. However, she is taken hostage by Hammer’s group, who hijack the Iron Legion and Stark’s Hulkbuster armor. Once his transformation is complete, Hogan destroys the legion and defeats Hammer. While Hammer is taken back into custody, the Avengers return, praise Hogan for his efforts, and resume their Christmas party.
Cast : Jon Favreau as Happy Hogan / “The Freak”, Kat Dennings as Darcy Lewis, Cobie Smulders as Maria Hill, Sam Rockwell as Justin Hammer, Chris Hemsworth as Thor, Mark Ruffalo as Bruce Banner, Jeremy Renner as Clint Barton / Hawkeye, Mick Wingert as Tony Stark / Iron Man, Lake Bell as Natasha Romanoff / Black Widow, Josh Keaton as Steve Rogers / Captain America, Isaac Robinson-Smith as Sergei, Matthew Waterson as Rusty, and Ross Marquand as W.E.R.N.E.R.
Episodes 04
“What If… Iron Man Crashed into the Grandmaster?”
In 2012, Tony Stark saves New York from the Chitauri by redirecting a nuclear missile towards their mothership. However, the wormhole he used closes before he can return to Earth, causing him to crash-land on Sakaar, where he is forced to stay by its ruler, the Grandmaster. Stark interferes in a death race to save one of the racers, Korg, and encounters Gamora, who was sent by Thanos to kill Stark for stopping the Chitauri, before the Grandmaster’s chief enforcer, Topaz, imprison the pair. Upon learning Gamora’s purpose and vowing to stop the Grandmaster, Stark escapes, recruits Korg and Valkyrie, builds a new Iron Man suit, and challenges the Grandmaster to a race for the title of Sakaar’s ruler. Though the Grandmaster tries to cheat, Stark ultimately wins while Valkyrie defeats Topaz and incapacitates the Grandmaster. As Valkyrie is crowned king of Sakaar, Stark convinces Gamora to forge her own path before joining her in leaving to confront and kill Thanos.
Cast : Mick Wingert as Tony Stark / Iron Man, Jeff Goldblum as Grandmaster, Tessa Thompson as Valkyrie, Taika Waititi as Korg, Rachel House as Topaz, Josh Brolin as Thanos, and Cynthia McWilliams as Gamora.
Episodes 05
“What If… Captain Carter Fought the Hydra Stomper?”
Captain Peggy Carter and Natasha Romanoff find Steve Rogers inside the Hydra Stomper armor aboard the Lemurian Star, but he attacks them. A briefing with Nick Fury leads Romanoff to deduce that Rogers, who went missing in 1953, was captured and brainwashed by the Red Room. Carter and Romanoff help Brock Rumlow protect Bucky Barnes from Rogers before incapacitating him and traveling to a secret hideout in Scotland, where they learn the suit is keeping Rogers alive, though each activation reduces his chances of survival. Rogers offers to help Carter dismantle the Red Room in the hopes of finding a cure before escorting her and Romanoff to a former KGB site. However, the group is ambushed by drones and Black Widow assassins controlled by the Red Room’s leader, Melina Vostokoff, who reactivates Rogers’ brainwashing. While Romanoff holds off Vostokoff’s forces, Carter reaches out to Rogers, who sacrifices himself to destroy the Red Room. Amidst this, Romanoff uses her grappling hook to tie Vostokoff to Rogers’ suit, killing her in the resulting explosion. As Carter tries to find Rogers, a portal suddenly takes her to another universe, where she encounters Renaissance-era variants of Fury and Wanda Maximoff.
Cast : Samuel L. Jackson as Nick Fury, Hayley Atwell as Peggy Carter / Captain Carter, Lake Bell as Natasha Romanoff / Black Widow, Frank Grillo as Brock Rumlow, Josh Keaton as Steve Rogers / Hydra Stomper, Sebastian Stan as Bucky Barnes, Rachel Weisz as Melina Vostokoff, and Elizabeth Olsen as Wanda-Merlin.
Episodes 06
“What If… Kahhori Reshaped the World?”
After Surtur destroys Asgard during Ragnarok, the Tesseract crash-lands in a lake in the Haudenosaunee Confederacy in pre-colonial America, giving it magical properties. After numerous tribespeople disappear while interacting with it, it becomes known as the Forbidden Lake. In the late 15th century, young Mohawk siblings Kahhori and Wáhta, are hunted by Spanish Conquistadors, who ransacked their village in search of the Fountain of Youth. While hiding inside a cave, Wáhta is captured and Kahhori is shot, causing her to fall into the Forbidden Lake, which teleports her to another dimension, where she is nursed back to health by fellow Mohawk people. A villager named Atahraks explains that the missing tribespeople were teleported to the “Sky World”, where they gained powers and immortality, but were unable to return home. As Kahhori familiarizes herself with her newfound powers, the Conquistadors enter the lake, believing it to be the Fountain, and invade the Sky World. Kahhori stops them and forces the portal in the sky to the ground and returns home. She and the villagers defeat the Conquistadors, rescue her people, and later force Queen Isabella to make peace. Soon after, Doctor Strange Supreme emerges from a portal and approaches Kahhori.
Cast : Devery Jacobs as Kahhori, Kiawentiio as Wáhta, Jeremy White as Atahraks, Gabriel Romero as Rodrigo Alphonso Gonzolo, Benedict Cumberbatch as Doctor Strange Supreme, Carolina Ravassa as Queen Isabella of Spain, Clancy Brown as Surtur, and Jeff Bergman as Odin.
Episodes 07
“What If… Hela Found the Ten Rings?”
Growing weary of Hela’s bloodlust in the Nine Realms, Odin banishes her to Earth and strips her powers by destroying Mjolnir and placing an enchantment on her crown. Hela lands in medieval China and is confronted by the armies of Xu Wenwu. She attempts to retrieve the crown but fails. Wenwu keeps Hela alive and tries to recruit her to his army, but she escapes after failing to steal his Ten Rings. She is guided by a Hundun to the realm of Ta Lo, where she convinces their leader, Jiayi, to let her join their cause. Jiayi teaches Hela the techniques of Ta Lo after she recognizes her true desire for freedom from control. After Heimdall reports his failure to locate Hela, Odin visits Earth to battle Wenwu in retaliation. Hela joins Wenwu in fighting against Odin, ultimately winning and regaining her worthiness to wield her crown. Odin recognizes Hela’s growth and submits Asgard’s throne to her. Hela unites the armies of Asgard and Wenwu’s Ten Rings organization and embarks on a journey to ensure freedom across the Nine Realms and beyond, coming to the rescue of Gamora’s people as Thanos attacks them.
Cast : Cate Blanchett as Hela, Jeff Bergman as Odin, Feodor Chin as Xu Wenwu, Lauren Tom as Jiayi, Idris Elba as Heimdall, Michael Hagiwara as Shunyuan, and Liv Zamora as Young Hela.
Episodes 08
“What If… the Avengers Assembled in 1602?”
After arriving in a Renaissance-themed universe, Captain Carter agrees to help Wanda Merlin and Sir Nicholas Fury stop an impending incursion. She saves Prince Loki from being pulled into a tear, but fails to save Queen Hela and is hunted by Sir Harold “The Happy” Hogan under the new King Thor’s orders. Carter learns the incursion is occurring due to the presence of the Forerunner, another time-displaced individual, and locates Tony Stark, who can make a device to identify the Forerunner using the Time Stone in Thor’s scepter. He points her towards outlaws Steve Rogers, Bucky Barnes, and Scott Lang to help steal it. Carter finds the group, but they are ambushed by Hogan. Carter gives herself up before freeing herself and a masked Bruce Banner. They meet with Stark and join Rogers’ group in infiltrating Thor’s courtroom. With Wanda’s help, the group retrieves the Time Stone for Stark’s device, which identifies Rogers as the Forerunner, who had inadvertently created the temporal anomaly while battling Thanos. Carter bids farewell to Rogers and returns him to his universe, preventing the incursion, before she is met by Strange Supreme.
Cast : Hayley Atwell as Peggy Carter / Captain Carter, Samuel L. Jackson as Sir Nicholas Fury, Elizabeth Olsen as Wanda Merlin, Chris Hemsworth as King Thor Odinson, Tom Hiddleston as Loki, Mark Ruffalo as Bruce Banner / Hulk, Jon Favreau as Sir Harold “The Happy” Hogan / “The Freak”, Mick Wingert as Tony Stark, Josh Keaton as Steve Rogers / Rogers Hood, Paul Rudd as Scott Lang / Ant-Man, Sebastian Stan as Bucky Barnes, Benedict Cumberbatch as Doctor Strange Supreme, and Lake Bell as Natasha Romanoff / Black Widow.
Episodes 09
“What If… Strange Supreme Intervened?”
Strange Supreme takes Captain Carter to his Sanctum Infinitum, where he reveals that he has been capturing “universe-killers” to atone for his sins, and asks for her help in capturing an escaped variant who fled to a universe where Hydra used the Tesseract to destroy the world. Carter agrees and encounters Kahhori, who reveals that Strange has been capturing variants to feed to the Forge, a contraption he built to resurrect his lost universe. As Strange attempts to kill Kahhori, Carter frees his captives, allowing her and Kahhori to escape. Amidst the chaos, the pair Black Panther Killmonger, who Kahhori separates from his armor, allowing Carter to use it. While Carter and Kahhori battle Strange at the Forge, the variants lend their weapons to Carter while Kahhori sends them home. Strange is taken over by his demonic self, though Carter separates them. As the Forge collapses, Strange sacrifices himself and his counterpart to it. The Watcher returns Kahhori home and brings Carter to Strange’s restored universe, revealing he succeeded in resurrecting Christine Palmer, though he can never be reborn into it. Carter asks the Watcher to show her the multiverse before taking her home.
Cast : Hayley Atwell as Peggy Carter / Captain Carter, Benedict Cumberbatch as Doctor Strange Supreme / Demon Strange, Devery Jacobs as Kahhori, Cate Blanchett as Hela, Feodor Chin as Xu Wenwu, Clancy Brown as Surtur, Josh Keaton as Steve Rogers, and Stanley Tucci as Abraham Erskine.