Harleen quinzel.Jr

What would of happened if the joker thought that he lost Harley when she fell from the helicopter that was shot down how would he react how would their 15 teen year old daughter Harleen react how can the joker keep Harleen safe without Harley's help will Harleen turn into her mother and become Harley Quinn.Jr and get thrown into the hell whole that Amanda Waller threw her mother into will the rest of the "suicide squad" gang help keep Harleen safe will they still also be in the same hell Whole?