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.
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.
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.
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.
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.
Actress Mila Kunis poses as promotes her new movie "Max Payne" at the Comic-Con 2008 convention Thursday, July 24, 2008, in San Diego.
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.
Actor Julie Benz poses for pictures at Comic-Con in San Diego on Thursday, July 24, 2008.
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.
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.
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.
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.
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.
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.
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.
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."