DC Collectibles Batman: Arkham City: Mr. Hammer and Harley Quinn Action Figure, 2-Pack Based on the blockbuster video game Batman: Arkham City Recreates Joker moll Harley Quinn and her right-hand man, Mr. Hammer, one of the Abramovici Twins Exceptional detail Complements the Sickle & Penguin 2-pack (sold separately) that contains the other Abramovici Twin Limited edition