With Batman out of the picture, Catwoman would be wise to remember that there are more than bats in Gotham's belfries. Speaking of bats, Onyx returns to her home city to bat cleanup and make sure Catwoman's not letting any strays into her city...and with no big Bat in the shadows, those pesky no-killing rules are off the table. Let's see if Catwoman and Onyx can agree on a target…