A cab. That worked. Hoped the Gotham money she had from her universe would be accepted. Harley spoke softly, hoping to catch the Batwoman's ear before she left, "I got this weird feeling that there is a Joker out there who has come back."
"I know the Bat doesn't need any help from a gal like me, but I was trusted once by the Bat in my universe. And I would not lie to you, I am different than the Harley you might know." She takes a breath, trying to sturdy herself, "my blood test will confirm that I am different."
"Just think about it, and... thanks."