According to a New Zealand ratings body database, Telltale Games has a little something called Batman: The Enemy Within, specifically listing a 'season pass'.
The rumour-mill is already buzzing around Telltale as they teased a summer update is almost here for the studio, teasing fresh news coming out of San Diego Comic-Con. The Wolf Among Us is tipped to get a sequel announcement.
The Film & Video Labelling Body of New Zealand lists Kent Mudle as the director of 'Batman: The Enemy Within - Season Pass', as spotted by NeoGAF. He's actually the game director in video game terms, and has previously worked on Telltale's Game of Thrones and The Walking Dead: Michonne spin-off.
Typically Telltale Games develop a five episode season for their adventure series, though Game of Thrones reached six. Batman: The Telltale Series debuted in August 2016 and reached its season finale in December 2016. San Diego Comic-Con 2017 runs July 20-23.