Set to be included on the Justice League: War Blu-Ray and DVD releases this Tuesday, a first-look featurette for DC's next animated movie has found its way online. Son of Batman adapts Grant Morrison's "Batman and Son" story arc, which brought Damian Wayne, the son of Bruce Wayne and Talia al Ghul, into the DC Universe. In addition to showcasing new footage from the movie, the featurette also goes behind-the-scenes. Details on the casting and characters are featured here, as well as storyboards. Watch it below, and stay tuned for more news as we have it. Son of Batman hits shelves on May 6th.