Marvel Animation Age has a first look at images promoting the new The Avengers: Earth's Mightiest Heroes episode "The Ballad of Beta Ray Bill." The new The Avengers: Earth's Mightiest Heroes episode is scheduled to air at 11:30am (ET/PT) on Sunday, May 20th, 2012 as part of the new Marvel Universe programming block on Disney XD. Click on the thumbnails below to view some of the hi-res images, with the complete set of images available at Marvel Animation Age.
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