Blizzcon has kicked off with a bang, Diablo IV was just announced and is confirmed to come out on PC, PS4, and Xbox One. With the announcement also has come a 9 Minute Cinematic Trailer and 3 Minute Gameplay Trailer.
Blizzard has also released the premise for Diablo IV.
Diablo IV takes place many years after the events of Diablo III, after millions have been slaughtered by the actions of the High Heavens and Burning Hells alike. In the vacuum of power, a legendary name resurfaces.
For extra info on the game, you can check out the official site for Diablo IV