In regards to the selected roster? That was already revealed. Marie, Honoka, Kasumi, Ayane, Kokoro, Momiji, Nyotengu, Hitomi and Helena.
12:30 PM JST on the 19th. http://www.dualshockers.com/2015/09/08/ps4ps-vita-exclusive-dead-or-alive-xtreme-3s-character-vote-closed-announcement-will-be-livestreamed/