Participants wearing superhero costumes arrive for the World DC Comics Super Heroes event in San Martin de Valdeiglesias, near Madrid, April 18, 2015. To celebrate the anniversary of the publication ... more 
Participants wearing superhero costumes arrive for the World DC Comics Super Heroes event in San Martin de Valdeiglesias, near Madrid, April 18, 2015. To celebrate the anniversary of the publication of the very first Superman story, DC Comics are asking fans to help set a new world record for the largest global gathering of people dressed as DC Comics Super Heroes. REUTERS/Andrea Comas less 
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Reuters | Photo By ANDREA COMAS / REUTERS
Sat, Apr 18, 2015 8:56 AM EDT