Arkham City Harley

The woman in the image is dressed as Harley Quinn from the popular Batman video game 'Arkham City'. She has long blonde hair and a red and black outfit, complete with fishnet stockings. Her attire is adorned with various symbols and logos that are reminiscent of her character's iconic look. The woman is holding a mallet in her right hand, which is an essential part of Harley Quinn's arsenal. In the background, there appears to be a crowd of people watching or participating in some sort of event. The overall atmosphere suggests that this image was taken at a comic-con or similar gathering where fans can come together and celebrate their love for superheroes and other pop culture icons.