It's a super-team team-up as the Squad helps out the Fantastic Four with an ambush from the alien Skrulls and Super-Skrull. Meanwhile, Dr. Doom is making a devious deal with a mysterious cosmic villain named Thanos. As the battle rages in the Baxter Building and outer space, our heroes find that both threats are connected and they may have to make a deal of their own to save the Earth!

Professor Xavier receives a call for help from the parents of a new mutant, Sam Guthrie. The X-Men travel down South to visit the new mutant and find that an Army official is planning on using Sam to do his bidding!

Madame Web and the Beyonder transport Spider-Man to an alien planet where no evil exists. As a test, the Beyonder introduces evil into the planet and tasks Spider-Man with choosing a team of super-heroes to fight alongside him against the growing evil in the once peaceful planet.

Jubilee and a group of school children are caught in a cave-in while touring a cave on Mansion property. To keep the kids calm, Jubilee tells a medieval fairy tale of knights, princesses, trolls and dragons that strangely resemble some of her fellow X-Men.

Peter Parker and Mary Jane's honeymoon at Niagara Falls turns into a harrowing situation when MJ's ex-boyfriend, Hydro-Man, reappears! Overcome by jealousy, Hydro-Man kidnaps MJ and takes her to a nearby water factory while Spider-Man races to find their location. Luckily, he has the help of an old friend...the Black Cat!

In London, England's Victorian era, two scientists, Dr. James Xavier and Dr. Nathaniel Essex, hotly debate Charles Darwin's theory of natural selection. Essex believes mutants are the next genetic step forward and begins a bizarre experiment involving mutant evolution. The origin of Mr. Sinister is revealed, as Dr. Xavier attempts to stop Essex before he goes too far.

Thor is summoned back to his home of Asgard to find the realm eternal under siege by an army of Frost Giants. Now only the might of Thor's legendary hammer Mjolnir can turn the tide!

The Earth's magnetic fields are being disrupted by the Zodiac gang, whose primary objective is to obtain an ancient meteorite buried beneath an island on Earth. With the Earth's survival at stake, the Avengers have a final showdown with the Zodiac gang!

Apocalypse tasks Fabian Cortez with finding him a host body in order to escape the astral plane. Appearing at the wrong place at the wrong time, Jubilee is kidnapped by Fabian Cortez and is taken to the temple for the ceremony. But things don't go as planned when a very angry Beast catches up with the villain.

The Hulk may be able to take on tanks, assault choppers, and heavy artillery, but what about two of S.H.I.E.L.D.’s most highly trained agents? Introducing…Hawkeye and the Black Widow!

The assault on Asgard was thwarted, but the mastermind behind the attack has yet to join the fray. Enter Loki, Thor’s most cunning foe…and his brother.

It's the final episode! At a Mutant/Human Relations Summit, Henry Peter Gyrich attacks and severely injures Professor Xavier with an energy disruptor. Meanwhile Magneto makes final preparations to take over the world with his mutant army, but on the eve of the invasion Cyclops, Wolverine, and Jean Grey infiltrate Genosha to tell Magneto that Xavier is dying. Magneto halts his plants out of respect to his long-time friend and joins the X-Men as they say farewell to their beloved mentor.

News from the front! Witness the story of Steve Rogers, the man who would become Captain America!

In the heat of World War II, Captain America and Bucky mount a desperate assault against a top-secret HYDRA base in Norway. But things take a turn for the worst when they come face to face with Hydra’s own Super Soldier…the nefarious Red Skull.

HYDRA's maniacal scheme to win World War II rages out of their control--and in the midst of the chaos, a chance for Captain America and Bucky to stop the Red Skull, once and for all!

Welcome to Wakanda, the most powerful nation on Earth...you're just in time to see the fall of its king, the Black Panther.

Something is dangerously affecting the magnetic fields of the Earth. Wasp realizes that her father's old business partner, Cornelius Van Lundt, is behind the disruptions. Along with the Avengers, Wasp must face her past in order to save the Earth.

The citizens of Arkon's planet prepare a huge celebration for his wedding to Storm. Meanwhile, after landing on the planet, the X-Men discover that Arkon is a ruthless tyrant with no compassion for his people. With the wedding just around the corner, the X-Men must find a way to convince Storm that the man she is marrying is not who she thought he was.

The astonishing duo of Ant-Man and Wasp take you on a tour of the Big House, the world's smallest super villain prison.

In this first episode of the series, Bruce Banner attempts to cure himself of the Hulk but his experiment is shut down by General Ross and Major Talbot. They capture the Hulk and take him to the Gamma Base, where Banner recalls his origin. Suddenly, the Abomination arrives on the scene, sent by the Leader and Gargoyle to capture Banner, and it's up to the Hulk to stop him.

Scarlet Witch and Vision visit Agatha Harkness to see what she can do for Wonder Man when they are kidnapped by the Salem's Seven. With the rest of the Avengers fighting the Grim Reaper, Scarlett Witch and Vision are left to fight a mystical battle on their own!