are you just oblivious to the fact that they showed them switching characters in the PS3 trailer when it was called Versus XIII? You know, you seem oblivious about a lot of things.
You seem oblivious to the fact that the game wasn't released and went through quite some development troubles. At no point what you saw during the PS3 era was anything final. You're also obviously oblivious to sarcasm, among the countless things you're oblivious to. Like how they "changed the battle speed since Nomura isn't director". Which was quite laughable, to say the least, considering the latest video we have of the game. ^_-