Comic-Con 2010 in San Diego, California

Comic fans wait outside the San Diego convention centre where the festival is being held Photograph: Sandy Huffaker/Getty Images The Comic-Con festival is the biggest of its kind in the western hemisphere with over 126,000 attendees last year Photograph: John Shearer/Getty Images A replica motorcycle from the Disney movie TRON on display. The festival showcases various pop culture arts including comic books, film, TV, science fiction and animation Photograph: Mike Blake/Reuters Lee Kim speaks to customers about his custom-made masks Photograph: Sandy Huffaker/Getty Images Fans look over toys on display at the festival Photograph: Sandy Huffaker/Getty Images Erica Padilla has her photo taken in a Star Wars booth Photograph: Sandy Huffaker/Getty Images Kevin Fontana has his picture taken at The Blood Factory booth in Comic-Con International Photograph: Sandy Huffaker/Getty Images A woman dressed as a zombie to promote the AMC television show The Walking Dead, outside the convention centre Photograph: Gregory Bull/AP Rowan Weir in her original costume Photograph: Sandy Huffaker/Getty Images Steven Seiferer in a Captain America costume Photograph: Sandy Huffaker/Getty Images Panky Sui with attendees dressed as characters from the movie Ghostbusters Photograph: Gregory Bull/AP Comic-Con attendees dressed in armour wait for a mock battle Photograph: Denis Poroy/AP (Left-right) Roxanna Meta talks with Psy Kitten Pow, and Albert Ng takes a picture of Mia Ballistic Photograph: Gregory Bull/AP Fans peruse the aisles at the convention Photograph: Sandy Huffaker/Getty Images (Left-right) Actors Michael Sheen, Olivia Wilde, Garrett Hedlund, Jeff Bridges and Bruce Boxleitner pose at the Tron: Legacy panel Photograph: Kevin Winter/Getty Images Comic-Con attendees in 3D glasses at the Megamind panel Photograph: John Shearer/Getty Images for Paramount Will Ferrell, Tina Fey and Jonah Hill on the Megamind panel, with a cardboard cutout of Brad Pitt Photograph: Kristian Dowling/EMPICS Entertainment Freelance illustrator Tommy Castillo, from Florida, shows off some of his work Photograph: David Maung/EPA Convention attendees stay glued to monitors as they try soon-to-be-released video games Photograph: David Maung/EPA Chase Matthies dressed as a character from Halo Photograph: Denis Poroy/AP A set of teddy bear zombies Photograph: David Maung/EPA A family dressed as characters from Tim Burton's Alice in Wonderland Photograph: Denis Poroy/AP Attendees dressed as "Chef Vader" and a storm trooper from Star Wars Photograph: Mike Blake/Reuters Two men in costume outside the San Diego convention centre Photograph: Dan Steinberg/AP