Utilizing the same game engine which is being used for Lost Planet 2 and was used for Resident Evil 5, MvsC3 will have ‘comic book styled visuals’, boast over 30 playable characters and feature a strong storyline to tie it all together.
The trailer (which does not feature any gameplay footage) shows that the following characters shall feature:
The Hulk (Marvel)
Ryu (Street Fighter)
Chris Redfield (Capcom)
Kotaku has also posted an image hinting (seen here) at the inclusion of the following characters: