Joystiq went sniffing through the Ultimate Marvel vs. Capcom 3 website and stumbled upon info on the remaining eight new characters in the game.
Just to recap, the only ones that have officially been announced are: Strider, Firebrand, Ghost Rider and Hawkeye. Joining them will be:
Marvel side:
Dr. Strange, Iron Fist, and Nova
Capcom side:
Nemesis, Phoenix Wright, Rocket Raccoon, Frank West, and…Vergil!
You can find image renders of the rest over at the Joystiq link above.