Not quite, they call it Awakened Mewtwo. There's no form(e) about it, like the Kyurems --- Serebii from the amazing Serebii.net Your #1 Source for ALL Pokémon Games & Anime info as the top online Pokédex & Attackdex!
I was actually looking at the little image on the bottom-right that says Kakusei go. I'm terrible at kanji so I assume it said form or something, but it actually means after. So after awakening. >.< --- Moo