It has to show up in some shape or form at Sony's presser. They have to announce those exclusivities.
This! The reason why Sony bought the exclusive multiplayer content was so that Playstation would be the best place to play this game. They're going to want to show that off on the biggest possible stage. If I recall, it's only been mentioned in a press-release and they haven't made a fuss out of it yet. I also see a console bundle announced during their press-conference, though that might imply there would be a release date too so that has somewhat less chance of happening.