This Wednesday Dead or Alive 6 will have a fifteen minute time-slot at the Playstation Showcase. It probably wouldn't be wise to expect a new character, but a demonstration similar to IGN's a few days ago. Anything is possible though, and maybe the developers will address a few of our concerns with the short time they have.
Thanks @Jackie Chan Fan for finding this and the screenshot.
@Rojikku breaks down gameplay and concerns
Remember you will also have access to Dead or Alive 6 at EVO! So make sure you stay tuned in for more information leading to that event. Sony's E3 press conference also announced Team NINJA's sequel to Nioh. More information should be available Wednesday for that game as well!
Team NINJA is showcasing some of the best games at E3 this year!