TellTale “Batman” Will Have Upgraded Engine
Being Called "Very Upgraded"
During a presentation at the SXSW convention, TellTale revealed that they will have an upgraded engine for their upcoming "Batman" game.
Along with it being "very upgraded," the engine will "[premiere] lots of "new" TTG stuff in Batman." Whether that means new gameplay features not seen before in a TellTale Game or something else isn't known at this point. This "Batman" game will consist of five episodes. Other information discussed during the conference has been things that have been revealed before, such as Batman/Bruce Wayne's decisions impacting the game later, a summer release date, and having TellTale's unique style.
Source: TellTale Community