BETA RAY BILL ATTACKS THOR IN A NEW EPISODE OF "THE AVENGERS: EARTH'S MIGHTIEST HEROES," SUNDAY, MAY 20 ON MARVEL UNIVERSE ON DISNEY XD

"The Ballad of Beta Ray Bill" - While searching for the fire demon Surtur, Thor is attacked by a powerful creature known as Beta Ray Bill, and the unthinkable happens when Bill lifts Thor's hammer as the two battle. Thor must ally himself with this strange warrior to save Asgard before Surtur and his demon army burn it to the ground, in a new episode of "The Avengers: Earth's Mightiest Heroes," SUNDAY, MAY 20 (11:30 a.m. - 12:00 p.m., ET/PT) on Marvel Universe on Disney XD.

"The Avengers: Earth's Mightiest Heroes" stars Eric Loomis as Tony Stark/Iron Man, Brian Bloom as Steve Rogers/Captain America, Rick D. Wasserman as Thor, Fred Tatasciore as Hulk, James C. Mathis III as T'Challa/Black Panther, Chris Cox as Clint Barton/Hawkeye, Wally Wingert as Hank Pym/Ant-Man/Giant-Man and Colleen O'Shaughnessey as Janet Van Dyne/The Wasp.

Guest starring is Steve Blum ("The Super Hero Squad Show") as Beta Ray Bill.

"The Ballad of Beta Ray Bill" was written by Michael Ryan and directed by Steve Gordon.

"The Avengers: Earth's Mightiest Heroes" is produced by Marvel Animation and carries a TV-Y7-FV parental guideline.