Originally Posted by Izick
To go into more detail, I bet we're going to see a few surprises from third parties. Possibly Call of Duty X or Battlefield 4, The Walking Dead Season 2, a new Mass Effect or Dragon Age, GTA V, and a few other third party games.
Battlefield 4 being confirmed but not announced at Sony's presser makes me think it'll be featured, and maybe some other EA stuff.
Other possibilities: GTA V next-gen shown along with some sort of "exclusive content" deal, and a teaser of Respawn's game.