AP Photo/Denis Poroy
Brian Wittig adjusts the hair on his costume in the exhibit hall at the Comic-Con 2008 convention Friday, July 25, 2008 in San Diego. More than 125,000 guests -- many dressed as their favorite characters -- are expected over the four-day event, which ends on Sunday.
AP Photo/Denis Poroy
Actor Billy Crudup answers a question during a panel discussion for the new movie "Watchmen" at the Comic-Con 2008 convention Friday, July 25, 2008 in San Diego. The adaptation of a well-loved graphic novel is due in theatres in March 2009.
AP Photo/Denis Poroy
Actresses Carla Gugino, left, and Malin Akerman, right, pose for photographers after a panel discussion for the new movie "Watchmen" at the Comic-Con 2008 convention Friday, July 25, 2008, in San Diego.
AP Photo/Denis Poroy
People walk through the exhibit hall at the San Diego Convention Center on the first day of Comic-Con 2008, the nation's biggest comic-book convention, Thursday, July 24, 2008, in San Diego. The convention runs through Sunday.
AP Photo/Denis Poroy
Actor Mark Wahlberg talks about his new movie "Max Payne" at the Comic-Con 2008 convention Thursday, July 24, 2008, in San Diego. The annual four-day convention, touted as the largest gathering of its kind, draws thousands of animation, science fiction and pop-culture enthusiasts from around the country.
AP Photo/Denis Poroy
Actress Mila Kunis poses as promotes her new movie "Max Payne" at the Comic-Con 2008 convention Thursday, July 24, 2008, in San Diego.
AP Photo/Denis Poroy
Chris Gunn, of Canada, dressed as Batman, walks through the San Diego Convention Center on the first day of Comic-Con 2008, the nation's biggest comic-book convention, Thursday, July 24, 2008, in San Diego.
AP Photo/Lisa Rose
Actor Julie Benz poses for pictures at Comic-Con in San Diego on Thursday, July 24, 2008.
AP Photo/Denis Poroy
Actress Jennifer Connelly listens during an interview to promote her new movie "The Day the Earth Stood Still" at the Comic-Con 2008 convention Thursday, July 24, 2008, in San Diego.
AP Photo/Denis Poroy
Actor Keanu Reeves, left, and actress Jennifer Connelly, right, smile during an interview to promote their new movie "The Day the Earth Stood Still" at the Comic-Con 2008 convention Thursday, July 24, 2008, in San Diego.
AP Photo/Denis Poroy
Actor Keanu Reeves talks about his new movie "The Day the Earth Stood Still" during an interview at the Comic-Con 2008 convention Thursday, July 24, 2008, in San Diego.
AP Photo/Denis Poroy
Dressed as Star Wars' Darth Vader, Taylor Long poses for a photo as Ghost Busters characters check out his costume on the first day of the Comic-Con 2008 convention Thursday, July 24, 2008 in San Diego. The convention, now in its 39th year, features celebrity appearances, hundreds of exhibits, seminars, art shows, gaming, autograph-signing sessions, film screenings and a masquerade party.
AP Photo/Denis Poroy
Actor Hugh Jackman, left, talks to legendary comic book creator Stan Lee, right, after an interview at the Comic-Con 2008 convention Thursday, July 24, 2008, in San Diego. The actor announced that Lee would make a cameo in the upcoming 20th Century Fox movie "X-Men Origins: Wolverine," due out next May.
AP Photo/Denis Poroy
Actor Hugh Jackman talks about his new movie "Wolverine" during an interview at the Comic-Con 2008 convention Thursday, July 24, 2008, in San Diego.
AP Photo/Denis Poroy
Comic-Con veteran Samuel L. Jackson was busy promoting a game and series called "Afro Samurai," Thursday, July 24, 2008, at the convention in San Diego.
AP Photo/Denis Poroy
Actress Rose McGowan and director Robert Rodriguez leave an interview promoting the movie "Red Sonja" at the Comic-Con 2008 convention Thursday, July 24, 2008, in San Diego. McGowan says she got a kick out of seeing fans dressed up for the occasion. "It's so much more fun to see somebody dressed in some insane, you know, Chewbacca outfit."