Quoted By:
Probably info on Mew2.5, info on how he changes form, and what you need to do to get him in X and Y. It'll probably confirm cross generation transfer, saying that the mewtwo from the event in japan is needed to get the form in X and Y. Maybe a little bit of info like region name or something, but nothing incredibly big, probably still too early for Legendaries types, unless they're going to reveal the fairy type next corocoro.