Avengers : Season 1, Episode 5: "The Man in the Ant Hill"

When the planet is threatened by super villains, time traveling conquerors, alien invaders, mythical monsters or mad robots bent on the total destruction of humanity...when the forces of evil are so overwhelming that no single hero has the power to save the world, when there is no hope left…the AVENGERS ASSEMBLE!

Here's the synopsis of episode 5:

"The Man in the Ant Hill" - Three tales to astonish, featuring Ant-Man and Wasp! When scientist Hank Pym obtains a rare sample of Vibranium to study, the villainous Klaw comes to steal it…but he’s not ready to enter Ant-Man's world. Then, the wondrous Wasp takes on Whirlwind! And finally, take a tour of the Big House, the world’s smallest super villain prison. Plus, welcome to Wakanda, the most powerful nation on Earth…you’re just in time to see the fall of the Black Panther.