Sony has confirmed a PlayStation Vita version of PlayStation All-Stars Battle Royale during its E3 press conference tonight, which will be cross-compatible with the already announced PlayStation 3 version.
The team at SuperBot Entertainment took the stage to demo the game, after which they confirmed two new characters, both who are playable on the E3 show floor tomorrow. They are Nathan Drake (Uncharted) and Big Daddy (BioShock).