Heath Ledger's Joker was a formidable opponent for Batman in The Dark Knight film, with a new cosplay giving him his own clown-branded Iron Man armor!

Heath Ledger's Joker has an iconic design that fans love, with his nurse makeover getting a cosplay look that proves it needs a comic book adaptation.

Landmark says anyone who arrives for a screening in costume or face paint will be refused entry.

With his distinctive look and dark nature, the Joker has become a popular choice for Halloween costumes.

With his distinctive look and dark nature, the Joker has become a popular choice for Halloween costumes.

Check out these incredible costumes from New York Comic Con 2013. Cosplay was the name of the game, and this year didn't disappoint.

With his distinctive look and dark nature, the Joker has become a popular choice for Halloween costumes.

For cosplayers — people who dress up as characters from popular culture — costumes connect them to characters they love and strengthen community bonds among like-minded fans.

We saw a lot of elaborate costumes at this year's New York Comic Con. Here's the best cosplay we encountered.

Winter Olympic figure skaters stun viewers with ‘twisted’ Joker-Harley Quinn cosplay Tim Dieck and Katharina Mueller put on a bizarre show to the soundtrack of Britney Spears’ song Toxic ...