What it’s about: After breaking up with The Joker, Harley Quinn seeks to turn over a new ... top-secret information hidden somewhere in Arkham Asylum by The Riddler. What it’s about: Bruce ...

However, outside that universe, Harley Quinn also debuted the fifth season ... Harleen was a psychiatrist at Arkham Asylum who formed an unhealthy relationship with The Joker to the point she ...

DC has so many amazing characters, some of the most popular in the comic book genre, and one of the most surprisingly popular has always been Harley Quinn ... break into Arkham Asylum to kill ...

For all you Batman fans out there, DC Comics just dropped a bombshell that is 98 percent guaranteed to make you drop everything and go, 'Holy Harley Quinn!' The Arkham Saga Omnibus, a.k.a the ...