User blog comment:Four4/Possible leaked DLC/@comment-835264-20140929215026/@comment-25427751-20140930212131

Charizard did have a trailer, but it was focused a whole lot more on the newcomer, and it's not Charizard, it's Greninja. Same as Lucina and Robin, they got more attention than Captain Falcon. In other words, trailers for newcomers only, even with a veteran, and we all know that there won't be a trailer with just a veteran. Meaning that Mewtwo will never get one.

Besides, he's already a collectable trophy, thus killing Mewtwo's chance of ever joining SSB4. Your purpose is defeated, Super Silver2013, again.