As for Cosplay events, as fans of Harley Quinn already know, captain marvel suit gives everyone a very good excuse to walk around town dressed up as their favorite bad girl! Now, Harley Quinn’s popularity is greater than ever with her appearance on the “Suicide Squad” movie in 2016 which was released to great box office success! On Halloween night, venture incognito, disguising your true identity from the world with Harley’s red and black headpiece along with a black eye mask so you can get into your character.