A plot where they are friends in a post - apocalyptic Gotham is really engaging. In this world, they have to work together to survive against new threats like mutant gangs. Batman tries to bring some order while the Joker brings his unique brand of survival skills. Their friendship is tested as they have to deal with limited resources and moral dilemmas.
Another plot could involve Fem Batman and Joker in a sort of cat - and - mouse game where the Joker is specifically targeting Fem Batman because she's a woman. He might underestimate her at first, but she proves to be just as formidable as the male version. This would explore themes of gender and power in the Batman - Joker dynamic.
A plot could involve the reader having a special ability that both Batman and the Joker are interested in. Batman wants to use it for the good of Gotham, while the Joker wants to corrupt it for his own amusement. The reader has to navigate between these two very different forces, and in the process, discovers more about themselves and the nature of good and evil in Gotham.
Perhaps in the fanfiction, the Female Joker creates a series of mind - bending illusions across Gotham. Batman has to navigate through these illusions to find the real her and stop her from causing more chaos. Along the way, he starts to question his own sanity as the Female Joker's games get more and more intense.
Harley Quinn is quite interesting. She's caught in the middle between her love for the Joker and her own sense of self. Commissioner Gordon is also important. He's the one who often has to deal with the aftermath of Batman and the Joker's battles and is a symbol of the law in Gotham.
In some fanfictions, their 'friendship' is a very twisted one. The Joker might see Batman as his only worthy opponent, so in a sense, that's a form of 'friendship'. He constantly tests Batman, not just to defeat him but also because he enjoys their interactions. Batman, on the other hand, may understand the Joker in a way that no one else does. He tries to stop the Joker's madness but also has a strange connection to him.
One interesting 'batman and joker friends fanfic' could be 'The Unlikely Bond'. In it, Batman and Joker find themselves in a situation where they have to work together against a greater threat. It explores a different side of their relationship, showing that even arch - enemies can have moments of understanding.
A plot where Ranma goes back in time to prevent the curse from ever happening. He could meet his parents before the incident that led to the curse and try to change their fates. This would completely change the dynamic of the story as we know it. Another interesting plot would be if characters from different time periods meet. For example, a samurai from the past meets Ranma and his gang in the present day. They would have to deal with the cultural and technological differences.
One interesting story could be where Joker tries to turn Gotham against Batman in a very psychological way in the fanfiction. He spreads rumors and false evidence to make the citizens doubt Batman's motives.
Yes, there are quite a few. Some fanfictions explore the idea of Batman having an odd fascination with the Joker. It could be due to their complex relationship where they are arch - enemies yet so intertwined in each other's existence. In these stories, Batman might be intrigued by the Joker's chaos and unpredictability, which is different from his own ordered world.
Yes, there are quite a few. Some explore a different side of the Joker where he has a moment of redemption and saves Batman. It often plays with the complex relationship between them and the idea that even the 'villain' can do a heroic act.