ULTIMATE SPIDER-MAN: WEB WARRIORS -- "AVENGING SPIDER-MAN"

Marvel has released two clips from "Avenging Spider-Man," the two-part episode of Ultimate Spider-Man: Web Warriors premiering Sunday at 9 a.m. (ET/PT) on Disney XD.

To watch the first clip, CLICK HERE.

To watch the second clip, CLICK HERE.

Here's how the episode is described:

"Spider-Man's dream of joining the Avengers becomes a nightmare when Loki switches bodies with the web-slinger, turning his new teammates against him. In part two, Spider-Man and his friends team up with the Avengers to stop Loki and Doctor Octopus from destroying New York City with an army of Venomized monsters."