The second one might not be in stores yet, but the third one has already wrapped filming. According to Bloody-Disgusting, they have confirmed that filming has already commenced on Feast 3: The Happy Finish.
The second film, Feast 2: Sloppy Seconds is going straight to DVD on October 7 and it seems that this third film will do the same, tenatively scheduled for a Spring 2009 DVD release.
The cast for the third film has been confirmed with Jenny Wade, returning as Honey Pie from the first two films, Craig Henningsen, Martin Klebba, Mysti Rod-Nash, Megan Brown, Hanna Putnam, Kip Cummings, Mike J. Regan, Melissa Reed, Vance Hartwell, Oliver Simor and Juan Longoria García.
No plot details were revealed, but we'll update you on this upcoming release as soon as more information is revealed.