An Arkham Origins announcement is coming in three days, and this is known thanks to some photos that were tweeted/posted on Twitter and Instagram by Batman Arkham Origins.
via N4G: pc news feed http://n4g.com/news/1335374/batman-arkham-origins-teases-reveal-coming-in-three-days-via-instagram-and-twitter
via N4G: pc news feed http://n4g.com/news/1335374/batman-arkham-origins-teases-reveal-coming-in-three-days-via-instagram-and-twitter