Justice League War is an upcoming film that is stated to be released in early 2014. It will be an adaptation of the best selling Justice League Origin by Geoff Johns. As the name suggests, this film will feature the origin of the Justice League in the new 52. In addition, it will also be the first animated project by DC Entertainment and Warner Bros that deals entirely with the new 52.
According to the World’s Finest:
Sean Astin is confirmed as the voice behind Shazam, and Steve Blum will provide the voice for the villainous Darkseid in the animated feature.
Additional cast details for Justice League: War include Jason O’Mara as Batman, Alan Tudyk as Superman, Michelle Monaghan as Wonder Woman, Justin Kirk as Green Lantern, Christopher Gorham as The Flash, and Shemar Moore as Cyborg. Jay Oliva is confirmed as director for Justice League: War, with Heath Corson adapting the original “Justice League: Origin” story.
Source: The World’s Finest