A striker dressed as the Incredible Hulk gestures on the picket line with the Writers Guild of America at the NBC television network studios in Burbank, California November 16, 2007.
Matthew Rios, dressed as the comic book hero The Green Lantern, shops for comics at the Comic-Con International 2005 in San Diego July 16, 2005.
Guinness, one of the 256 chihuahua dog entries in a race to determine America's fastest chihuaha, is seen dressed in his Spiderman outfit at Petco Park in San Diego, California September 18, 2005.
Orlando Magic Dwight Howard makes a dunk wearing a superman costume during the NBA All-Star basketball Slam Dunk competition in New Orleans, Louisiana February 16, 2008.
US Secretary of Defense Rumsfeld (C) laughs alongside Spiderman (L) as Captain America flexes his muscles, during a promotion of a special military-themed custom marvel comic at the Pentagon in Washington, April 28, 2005.
Matt Lauer (L) dressed as Batman, Katie Couric dressed as Marilyn Monroe and Al Roker (R) dressed as Robin, co-hosts of NBC's the Today show, pose during the program's annual Halloween show in New York October 31, 2005.
Delivery workers at a cooking gas shop in western Bangkok prepare to start work dressed in Spiderman outfits August 12, 2002. Sales at the shop have taken a big leap after the owner dressed her delivery staff in the cartoon character outfits.
Models, dressed as the Wonder Woman character, pose at the launch party for In2TV, the first broadband television network on the Internet in Beverly Hills, California March 15, 2006.
A man dressed as comic book character Spiderman reads newspapers after installing a banner in front of a big screen in central Hong Kong June 3, 2005.
Three models pose as Catwoman before the start of the film's UK premiere at the Vue cinema in Leicester Square, London, August 3, 2004. Catwoman is due to be released in the UK on August 6.
A man dressed as Superman stands near police officers in front of the government palace in Lima prior to the visit of Chinese President Hu Jintao, November 19, 2008. Hu Jintao is in Peru to attend the Asia-Pacific Economic Cooperation (APEC) summit.