The official Deus Ex Facebook Page and the official Eidos Montreal Tumblr teases the next installment in Deus Ex franchise, "Deus Ex: Human Defiance".
Not only this, the teaser went on to say that the world's first look at Deus Ex: Human Defiance will be reveal on April 1 (i.e on April Fool's Day).
The teaser on official Eidos Montreal Tumblr reads as follows:
"Deus Ex: Human Defiance – first look at the FUTURE of Deus Ex unleashed TOMORROW!"
Well how far this is TRUE now we have no idea.