Attendees at Wizard World Comic Con walk through hallways in Chicago, Illinois, United States, August 22, 2015. (Photo by Jim Young/Reuters)

Contestants wait in the hallway for their chance to compete in the costume contest at Wizard World Comic Con in Chicago, Illinois, United States, August 22, 2015. (Photo by Jim Young/Reuters)

A contestant rides down an escalotor after competing in the costume competition at Wizard World Comic Con in Chicago, Illinois, United States, August 22, 2015. (Photo by Jim Young/Reuters)

Attendees at Wizard World Comic Con step out of an elevator in Chicago, Illinois, United States, August 22, 2015. (Photo by Jim Young/Reuters)

Erik Slone dressed up as “The Joker” washes his hands in the restroom while waiting for the start of the costume contest at Wizard World Comic Con in Chicago, Illinois, United States, August 22, 2015. (Photo by Jim Young/Reuters)

Contestants wait in the hallway for their chance to compete in the costume contest at Wizard World Comic Con in Chicago, Illinois, United States, August 22, 2015. (Photo by Jim Young/Reuters)

Mike Tester dressed up as “Spiderman” carries his son Owen dressed as “Clark Kent” through the hallways at Wizard World Comic Con in Chicago, Illinois, United States, August 22, 2015. (Photo by Jim Young/Reuters)

A contestant steps out from backstage after competing in the costume contest at Wizard World Comic Con in Chicago, Illinois, United States, August 22, 2015. (Photo by Jim Young/Reuters)

Contestants wait in the hallway for their chance to compete in the costume contest at Wizard World Comic Con in Chicago, Illinois, United States, August 22, 2015. (Photo by Jim Young/Reuters)

Contestants walk through the backstage hallway after competing in the costume contest at Wizard World Comic Con in Chicago, Illinois, United States, August 22, 2015. (Photo by Jim Young/Reuters)

A contestant waits in the hallway for the costume contest to resume at Wizard World Comic Con in Chicago, Illinois, United States, August 22, 2015. (Photo by Jim Young/Reuters)

A contestant looks on from the hallway after competing in the costume contest at Wizard World Comic Con in Chicago, Illinois, United States, August 22, 2015. (Photo by Jim Young/Reuters)

A contestant waits backstage for his chance to compete in the costume contest at Wizard World Comic Con in Chicago, Illinois, United States, August 22, 2015. (Photo by Jim Young/Reuters)

A contestant adjusts his costume while waiting in the hallway at the costume contest at Wizard World Comic Con in Chicago, Illinois, United States, August 22, 2015. (Photo by Jim Young/Reuters)

William Camp dressed up as “Robin” yawns while waiting in line for the start of the costume contest at Wizard World Comic Con in Chicago, Illinois, United States, August 22, 2015. (Photo by Jim Young/Reuters)