Definitely. There are various 'Joker loves Harley Quinn' fanfictions. One type might rewrite the original story to give them a more positive or at least different kind of relationship. Another could be set in alternate universes where their love plays out in unexpected ways. Some are really well - written, with great character development and unique plotlines.
In some fanfictions, Harley might react with shock and disbelief at first. She has been through so much with the Joker that she might not trust his words immediately.
Well, it's popular because people love to explore the psychology behind their relationship. The Joker is a very unpredictable character and Harley is deeply in love with him despite his flaws. Fanfic writers can play around with this dynamic. They can show how Harley might be trying to change the Joker or how the Joker's love for Harley, in his own warped way, might lead to some sort of growth for both of them. It gives fans a chance to see different interpretations of these beloved characters' relationship.
One plot idea could be the Joker trying to prove his love to Harley in a really extreme way, like taking over Gotham City and dedicating it to her. It shows his over - the - top and crazy way of loving.
You can try websites like Archive of Our Own (AO3). It has a large collection of fanfictions, and there's a good chance you'll find some great 'joker loves harley' ones there.
You could also try FanFiction.net. There are many writers on there who write about different aspects of the relationship between Joker and Harley Quinn. Just be sure to use the search function properly to narrow down your results.
One great 'joker loves harley fanfic' is 'A Dark Romance'. It really delves into the complex relationship between the two characters. The author does an amazing job of portraying the Joker's twisted love for Harley in a very engaging way.
It could also be a way to explore Harley's character development. If the Joker truly loves her, it might give her more confidence and make her less dependent on him in a negative way. It could be the catalyst for her to become a stronger and more independent character while still maintaining her love for the Joker.
Harley might react with shock at first. Given Joker's usually callous treatment of her, hearing him say 'I love you' would be unexpected. She could then become extremely happy, like all her dreams have come true.
Their relationship could develop through shared experiences. For example, they could go on heists together and during those times, Joker could start to see Harley in a different light. He might notice her intelligence and loyalty more and more.