In an effort to get the Guardians of the Galaxy a little more well-known ahead of this summer's film, Marvel has had them team up with the Avengers for this Sunday's episode of Avengers: Assemble Entertainment Weekly got the info.
Apparently, they Guardians will team up with the Avengers to help fend off the mighty Galactus! You can catch Avengers: Assemble Sundays at 8 AM on Disney XD.