Marvel has debuted the first full trailer for their upcoming animated series Marvel's Avengers Assemble. You can also watch the first episode on iTunes for free by clicking here.
A one-hour preview of the new series will be shown on Disney XD, Sunday, May 26 at 11 a.m. ET. The show will officially premiere on Sunday, July 7 at 11 a.m. ET as part of the “Marvel Universe” block.