It seems thatHarley Quinnwas just sustain back during the years she was with theJoker . For exemplar , one sneak flack on the Clown Prince of Crime shows that Harley can dish out out the same ruthlessness that Joker inflict on her .

Dr. Harleen Quinzel thought she ’d found the love of her liveliness when she light for the Joker . After letting his devious charm swing her , the doctor give aside a professional career and unchanging life to unite Gotham ’s figure one public menace as his partner in crime , Harley Quinn . alas , she had no idea of the ill-treatment she would suffer at his hands . Joker and Harley Quinn ’s toxic romancewas infamous for the former ’s savage treatment of the latter , with Joker putting Harley ’s life in danger on more than one occasion . Harley eventually broke away from the Joker for good , and became an independent figure who was just as capable at mayhem - making as the Joker was .

Related : DC Confirms Harley Quinn Will Never Be innocent of the Joker

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But apparently , Harley was just holding back her destructive potential the entire time she was with the Joker . InHarley Quinn # 28by A.J. Lieberman and Craig Rousseau , the eponymous hoagie is being framed for a murder she did n’t charge and is look for the person that set her up . TheJoker is Harley Quinn’snumber one suspect , and she think of a design to get the truth out of him . The Joker is chatting with a few condemnable associate before entering an elevator . Harley prognosticate her former - beloved Mr. J on the lift ’s emergency brake speech sound and tells him to string up on . Sudden explosions take out the bottom of the elevator , get Joker ’s partners to plump down the elevator calamus while he grips the phone for dear life story . Harley complete her examination and warns the Joker that she could easily do this again .

Harley ’s treatment of Joker here should n’t be too surprising consideringHarley Quinn has want to kill Jokerfor some time and has proven that she can be quite capable at surreptitious , sneaky play . And while the Joker is a slippery customer , Harley clearly fuck enough about him to get the literal drop on the merry andrew . Such an plan of attack puts their past times in a unexampled light and entail that Joker could have well perished during the years he spent toying with her heart .

Despite the Joker putting practically nothing into his family relationship with Harley Quinn , she worship the ground he walk on . Even at his savage , she stuck by his side for years untilHarley Quinn ’s breakup with Jokerbecame permanent . But during their sentence together , Harley was hiding her true potentiality , someone capable of sneak blast and insensate - blooded murder that rivaled the Joker ’s propensity for violence . Joker ’s only saving grace was that he was protect by the lovemaking Harley had for him . unluckily for him , those twenty-four hour period are over . So , ifHarley Quinnever seriously desire it , she could easily take out theJokerfor good .

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