Capcom has kicked off their San Diego Comic-Con announcements by revealing details on the highly-anticipated update to Marvel vs. Capcom 3, their hit crossover fighting game. Ultimate Marvel vs. Capcom 3 will add 12 new fighters to the roster in eight new stages, as well as a host of balance and gameplay changes.

While Capcom itself only revealed four of the new 12 characters (Strider Hiryu and Firebrand on the Capcom side, Ghost Rider and Hawkeye on the Marvel side), intrepid fighting game fans in the NeoGAF forums stumbled across a whole host of hidden images on Capcom's Web server that appears to reveal the remaining eight characters: Vergil, Phoenix Wright, Nemesis, and Frank West for Capcom, and Doctor Strange, Rocket Raccoon, Nova, and Iron Fist. Click on the images below to zoom in.

No Capcom representatives could be reached for comment.

To whomever is getting fired for this: We salute you. </wave> For more Marvel vs. Capcom 3 coverage, read our review of the Mad Catz MvC3 FightStick TE, and our early hands-on impressions of Marvel vs. Capcom 3.

Patrick Miller covers How-Tos, HDTVs, and the occasional game for PCWorld. Follow him on Facebook or Twitter.