Catch up on the history of Agent Romanoff as you prepare for her new film, "Black Widow."

Recall T’Challa's momentous tenure as Wakanda’s most beloved protector, the Black Panther.

Relive how Bucky Barnes was twisted into the ultimate assassin, and finally redeemed.

Revisit Wanda Maximoff's strange journey from happy homemaker to the dreaded Scarlet Witch.

Learn the exploits of the Ravagers and trace the unique journey of their leader, Yondu.

Retrace Loki's evolution from power-mad villain, to a being with more noble tendencies.

Learn how the "Earth's mightiest heroes" assembled to fight the battles no one else could.

Learn how Peggy Carter aided Captain America and became a founding member of S.H.I.E.L.D.

Track the adventures of Earth’s greatest spy, and the behind the Avengers, Nick Fury.

Recounts how Hawkeye employed his unique skillset to help defeat the evil plans of not just one, but three megalomaniacal beings: Loki, Ultron, and Thanos.

Rocket was the product of illegal genetic experimentation on a raccoon, but after surviving his torturous past, he came out the other side a crack pilot with a snarky mouth and a penchant for making things go boom.

Armed with a cocky attitude and trusty cassette player, Peter Quill, or also known as, Star-Lord, only ever looked out for himself. He stole, punched and kissed his way across the stars. That is, until he found his true family: the Guardians of the Galaxy.

Retrace Doctor Strange's journey from an arrogant neurosurgeon, to the heroic master of sorcery.

Raised in captivity to be the ultimate warrior by Thanos the Mad Titan, Gamora seemed destined for villainy. But a rebellious turn against her adoptive captor led Gamora to team up with the Guardians of the Galaxy, a band of misfits that would become her chosen family.

Unpack Khan's journey: from a teen who dreams of the Avengers, to a hero names Ms. Marvel.

The second mate in Yondu Udonta's band of swashbuckling Ravagers, Kraglin was almost always a loyal supporter of his blue captain. Over the course of their run-ins with Peter Quill and his oddball crew, Kraglin grew from a faithful follower, to a formidable leader in his own right.

Recount Jane Foster’s singular journey, from maverick astrophysicist, to defender of Earth.

Hank Pym and Janet Van Dyne were the original Ant-Man and Wasp, but after an epic show of bravery, Janet was lost forever… or so Hank thought.

Revisit the story of the Skrulls: a race of oppressed shape-shifters fighting for freedom.

Retrace Captain Marvel's epic journey as one of the most powerful heroes in the MCU.

All her life, Hope was shielded from the action by her overprotective father, inventor Hank Pym. But when the Pym Particles fell into the wrong hands, Hope reluctantly trained a thief named Scott Lang to become the Ant-Man.

Recall Monica Rambeau's unlikely journey: from wide-eyed kid, to full-grown superhero.

Recounts the history of the Ten Rings organization and its mysterious leader, The Mandarin.

Recount Valkyrie’s surprising journey: from fallen warrior, to king of New Asgard.

Remember the epic journey of Drax, from vengeful Destroyer, to Guardian of the Galaxy.

Explore the mysterious origins of the Time Variance Authority.

Recall how a lonely empath named Mantis became a Guardian of the Galaxy.

LEGENDS recalls a handful of hair-raising highlights from season one of Marvel Studios' "What If...?"