5. The New 52
When DC Comics relaunched their titles with "The New 52" reboot, many characters received drastically different appearances. In the case of Harley Quinn, that was an extremely revealing costume which wasn't without its fair share of controversy. With her breasts heaving out of a tiny corset and essentially a pair of panties with thigh high boots, this isprobably the look that most fans would love to see Magot Robbie use in Suicide Squad. Warner Bros. probably won't go for anything quite so skimpy, but there's a lot this got right. The red and black hair works as a nice nod to her classic look, while ditching the domino mask for paint also works. Then there's the small cape which is a nice addition, though one of the biggest changes was making Harley's entire body a pale white colour rather than just her face. This obviously makes her look unique, but could be hard to convincingly pull off.