Marvel's Avengers (2013)

S4E23 The Citadel

Title: The Citadel Plot: Captain America and Iron Man find themselves imprisoned by the Beyonder, who has gathered a formidable group of villains to challenge them. As they navigate their confinement, they must devise a plan to escape and thwart the Beyonder's sinister intentions. With their skills put to the test, the duo grapples with the looming threat of their adversaries, pushing their partnership to the limits in a battle for freedom and justice.