What happened next

So he went up to penguin and told him "stop this now or I will make it stop." The penguin just looked at Joker and lathed in his face and tells him "fuck off you don't tell me what to do bitch I can and will do what I want so go back to your little hole and stay there" so joker is pissed because penguin lathed right in his face, so joker tells penguin to "tell me to fuck off again I dear you" so The penguin tells him "i'm not scared of you so fuck off," and when The penguin say's that The Joker grabs him by the neck and say's to The penguin "you shouldn't of said it BOY" and with that the joker clenches his fist and hit's The penguin in the mouth but joker doesn't stop untill he sees the blood from the penguins mouth.

with a smile on his face Joker said "You shouldn't of said that BOY" Joker clenches his fist and hits penguin and don't stop until he sees blood from penguins mouth, there was blood pouring from penguins mouth but The Joker saw the blood pouring out but he did not stop and no one could stop The Joker, Staff tryed to pull Joker off of penguin but The Joker just kept on punching until Harley Quinn gently touched Jokers shoulder and in a sweet voice Joker hears Harley says "It's time to stop he's down" but The Joker still didn't stop so Harley Quinn said to The Joker "this isn't really you, you are The Joker clown prince of crime but most of all you are my Mr J so please stop". When The Joker heard Harley Quinn say "most of all your my Mr J" Joker slowed down to the point he stopped and stood up and looked at Harley Quinn and said to Harley Quinn "do you mean it, did you mean I'm your Mr J?" Joker asked with a smile on his face hoping that Harley Quinn did mean it. Harley Quinn replyed to Joker saying "Yes of course I love you and I have always loved you" she goes red while she told him, The Joker chuckled and said "I love you too" when Joker said that Harley Quinn giggled and then penguin got up from the floor with a bloody nose and bloody mouth but he says "aww isn't that sweet two psychos in love well you can have her because you are only getting my second-hand" and with that Joker told the penguin "Don't say that or I Will do something that you will regret." The penguin didn't listen to The Joker and penguin said "Piss off you psycho no one else will love you when I tell the world what you did to me and you will be locked up for good" and with that The Joker did something that the penguin did regret The Joker did one last blow to the penguins face and he fell to the ground unconscious.