Marvel has released two new clips from the upcoming third season premiere of Marvel's Ultimate Spider-Man: Web Warriors entitled Avenging Spider-Man Part 1. This two part premiere will feature the web-slinger teaming up with the Avengers to take on a group threatening the peace of the entire planet. Watch as they go to battle in this first look, then catch the premiere airing August 31 at 9 a.m. ET on Disney XD!

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. He must team-up with the Avengers to stop Loki and Doctor Octopus from destroying New York City with an army of Venomized monsters.