Those who are new to the Worlds of DC may not know that, unlike most other superheroes and villains, Harley Quinn is a ...

Narratively, Arkham City Lockdown features tons of Arkham staples, including the Joker (voiced by Mark Hamill), Harley Quinn, Two-Face, Penguin, Solomon Grundy, Poison Ivy, Deathstroke ...

Harley Quinn, the popular adult animated series, is well into Season 5, where Harley and Ivy fight against Lex Luthor's evil sister, Lena, who wants to gain control of the Metropolis.