If you're in the San Francisco Bay Area this weekend and in the mood for, say, a Q & A with Superman Returns director Bryan Singer or exclusive footage of Mission: Impossible III from the hands of J.J. Abrams himself, you need to stop by the 20th annual WonderCon.In addition to the legions of comic book fans that converge each year to meet their favorite artists and pore over bins of comics looking for a mint condition Amazing Fantasy #15, WonderCon attendees are increasingly coming to the Moscone Center for movie sneak peeks and previews. From Q & A sessions with filmmakers to the staple preview show, Trailer Park 2006, there's plenty of movie events here to whet your appetite for the big flicks of 2006. Check out the highlights below.

Superman Returns presentation by Bryan Singer (Q & A and exclusive footage, plus the program promises a "surprise")

Mission: Impossible III presentation by J.J. Abrams (Q & A and exclusive footage)

Brick presentation with star Joseph Gordon-Levitt

Q & A with Kevin Smith

The Hills Have Eyes presentation with Wes Craven and stars Aaron Stanford and Vinessa Shaw

Night Watch sneak peek

Pixar 20th anniversary and Cars preview

Silent Hill presentation by star Deborah Kara Unger

The Omen footage presented by director John Moore

Pathfinder presentation by director Marcus Nispel

2006 Sci-fi/Horror Movie Preview, including Room 6 and The Thirst

Advance screening of Running Scared (Q & A afterwards with Paul Walker and Wayne Kramer)