The second of five episodes in the season of Batman the Telltale Series will come to PC, PlayStation 4, and Xbox One on September 20th, as said by Telltale on their site.
"If you happen to be out at PAX West this week, you won't have to wait until later in the month to play Episode 2... because we'll be Crowd Playing the ENTIRE EPISODE this Saturday ahead of the public release! It's all happening Saturday September 3rd at 8:30 PM in the Wyvern Theatre at the Westin," Telltale states in the article.
"This will be the very first event using the NEW in-game Crowd Play feature, where YOU will help direct the happenings on-screen using your own mobile device. There will be giveaways for everyone in the audience, and the event will be hosted by BATMAN expert Dan Casey from Nerdist.com!"
So if you are attending PAX make sure to check it out!