ok, i'll give a completely out there story a chance, but you really need to put the words "elseworlds" on the cover!! i mean my GOD! this was one of the DUMBEST ones ive read!
**spoiler**
joker- was a cop and catwoman knocked him into the poison. later becomes comissioner of police.
batman- married to catwoman and usedd a gun.
catwoman- had kid with batman, names him dick grayson.
they commit crimes together to keep wayne enterprises going.
see.....stupid!