An all-new preview of Avengers Assemble has been posted today. This is our first look at the animation for the show, other than still images. A one-hour preview will be shown on Sunday, May 26th at 11am EST on Disney XD. The show will then premiere in its regular time slot on Sunday, July 7th at 11am EST inside the Marvel Universe block. So what do you think of this new Marvel animated series?