As reported by VG247, their sources have reported that Bandai Namco will announce Dark Souls 3 at E3. The good news is Hidetaka Miyazaki is returning to direct it.

Miyazaki has also directed Demon Souls, Dark Souls, and the PlayStation exclusive Bloodborne. Dark Souls 2 was directed by Tomohiro Shibuya and Yui Tanimura while Miyazaki supervised them.

There not much much else know other than that. We shall get more information when E3 rolls around.

Source: VG247