Official Harley Quinn Arkham City costume

Harley Quinn - Wikipedia

Harley Quinn (Harley Quinn's Revenge), Harley Quinn Wiki

In Batman: Arkham City (2011), you can find Harley Quinn's outfit from Batman: Arkham Asylum (2009) in Joker's Fun House, complete with Warden Sharp's ID tag. : r/GamingDetails

Harley Quinn (Arkham City), Harley Quinn Wiki

Hot Toys Batman: Arkham Knight -Harley Quinn VGM41 - Toys Wonderland

Harley Quinn Cosplay From Batman: Arkham City - Media Chomp

Museum Masterline Batman: Arkham City Harley Quinn DX Bonus Version

SKIN; Batman; Arkham City; Arkham Asylum Harley Quinn

Hot Toys announces new Arkham Knight Harley Quinn figure