Sequel to My Little Pony: Friendship is Murder.

The 2nd adventure of the universe jumping. Also the unofficial sequel to Mad House. After stopping a vicious serial killer in Equestria that would have brought it to its ruin, Mr. Carnage and his former lover Rainbow Dash are thrown into Arkham City. A sectioned off part of Gotham city that's been turned into a brutal security prison. There he meets the Dark knight himself, the Batman and the time travelling Doctor. Will they discover the cities true intention? Will Rainbow Dash's lingering feelings for Mr. Carnage affect their mission? And will Mr. Carnage be able to resist nerding out over the fact he is teaming up with two of his biggest childhood heroes? Together the four of them will be put to the test in order to find Arkham cities dark secret and try to survive in the criminal infested city for one night.