A recent video has been posted by Namco-Bandai which shows new gameplay footage from Project X Zone. The footage highlights characters from the Tekken, Virtua Fighter, and Street Fighter series.
Project X Zone is a high profile title for the Nintendo 3DS and it is scheduled for release in Japan on October 11, 2012. The game combines characters and mascots from beloved Sega, Namco and Capcom franchises. No plans for a North American localization have been announced at this time.
Source: Gematsu (http://gematsu NULL.com/2012/09/project-x-zone-first-countdown-play-movie)