MARVEL'S AVENGERS ASSEMBLE: "THE DARK AVENGERS

Marvel has released video from "The Dark Avengers," the episode of Avengers Assemble premiering Sunday at 8:30 a.m. (ET/PT) on Disney XD.

To watch the clip, CLICK HERE.

Here's how the episode is described:

"In a 'flipped reality,' the Avengers discover that their world has been reshaped by the Reality Stone, wielded by the Squadron Supreme. In this new reality the Squadron Supreme have made themselves the heroes and the Avengers the villains! Find out if the Avengers can take down the Squadron Supreme and prove that they're the real heroes."