If you didn't get enough of Cole in Infamous 2, you're in luck - you'll be getting more of him in October. Sony and Sucker Punch have announced Infamous 2: Festival of Blood, a whole new game, in which Cole gets turned into a vampire and have to find the head vampire in New Marais within 24 hours to cure himself.
As noted above, this is a new game - similar to what Insomniac did with Ratchet & Clank: Quest for Booty, which was a shorter game released on Playstation Store as download. Looks like we're dealing with the same thing here. We'll of course get you everything you need to know, including screenshots, as soon as we have them.