NOTE: This takes place roughly two weeks after the events of Arkham City. This story is set in the Arkhamverse (the universe set forth by Rocksteady's game series). The show MLP:FiM does not exist in the continuity of this story. There will be spoilers for Arkham Asylum, Arkham City, and/or Arkham Origins. You have been warned.
Batman's a bit confused.
Some of the villains are missing.
They are now in Equestria.
When Twilight starts bringing some of Batman's greatest foes into Equestria, will they learn the magic of friendship? Or will they leave Equestria in shambles?