From World's Finest, James Tucker, the current head of DC's Animation, revealed next year's crop of animated movies after the debut of Batman: Assault on Arkham at SDCC tonight. Of course we know already that Justice League: Throne of Atlantis will kick off 2015 in the winter.
DC will release the sequel to this year's Son of Batman with Batman Versus Robin, which apparently will be based on the "Court of Owls" storyline, and out next summer. Yet, the storyline of Scott Snyder/Greg Capullo never featured Batman facing Robin, so stands to reason this will be a VERY LOOSE adaptation, much like its predecessor movie was, which shared few elements from the actual Grant Morrison/Andy Kubert tale.
Finally near the end of 2015, Bruce Timm will return to write/direct with Justice League: Gods & Monsters. The movie will be an original adaptation and will only share a name with the 2001 JLA story, which I guess makes sense, as Batman Vs. Robin is just as loose adaptation already stated above.
In the meantime for those weren't fortunate enough to see the movie this evening, Batman: Assault on Arkham escapes onto lu-ray, single-disc DVD, and Digital Download on Tuesday, August 12th, 2014. Here's the opening minute and a half Warner Bros was nice enough to tease us with: