Another interesting concept would be a time - travel fanfiction. What if Freddy, with his dream - manipulating powers, sends Michael back in time to his own era. Michael, being out of his element, has to rely on Freddy to navigate this strange new world. In return, Michael offers his brute strength. Together, they start to change the past, which has unforeseen consequences for the present and future. They have to deal with the fallout of their actions while also trying to maintain their new - found 'friendship'.
Perhaps in a fanfiction, there could be a supernatural force that binds them. A dark entity that wants to use their combined fear - inducing powers for some greater evil plan. They resist at first but then find that they can't break free on their own. So they decide to work together to figure out a way to break the bond while also causing chaos in the town. For example, they could create a series of murders that are so bizarre that it drives the whole town into a state of paranoia.
For Freddy Krueger, you could explore his backstory more deeply. Maybe in the fanfiction, he has moments of self - doubt about his actions, which is a new side to him. As for Michael Myers, you could develop his relationship with his mask. Show how it's not just a tool for him, but almost like a part of his identity. You could also have them interact with other characters in ways that force them to change. For example, if they meet a strong - willed survivor, it could make them question their methods of killing.
One idea could be that after years of being hunted, Laurie discovers that Michael has a strange connection to her that he can't control. Maybe it's a psychic link of some sort. She uses this knowledge to try and outwit him in a new and different way.
One idea could be that the OC is a new neighbor in Haddonfield. Michael Myers becomes intrigued by the OC's different behavior from the other townspeople. For example, the OC might be an artist who stays up late painting, and Michael starts observing her through the windows at night.
One interesting concept could be Freddy Krueger crossing over with other horror icons like Jason Voorhees. It would be a battle of nightmares as they both have their unique ways of terrifying victims. Another concept might be his crossover into a more modern, sci - fi setting, where he has to adapt his dream - based attacks to deal with high - tech security systems.
One idea could be a story where Golden Freddy and Freddy have to team up to face a new, powerful threat in the pizzeria. Maybe there's a malfunctioning animatronic that is causing chaos and they need to combine their unique abilities to stop it. For example, Freddy's musical skills and Golden Freddy's mysterious teleportation ability could be used in creative ways to outwit the enemy.
One plot idea could be that Jamie Lloyd tries to find a way to redeem Michael Myers. Maybe she discovers a long - lost connection between his past and a way to break his cycle of violence. Another could be that they are forced to team up against a greater evil that is threatening their town, and in the process, Michael starts to show glimmers of his humanity.
One idea could be that Foxy and Freddy have to team up to solve a mystery in the pizzeria. Maybe there are strange noises at night and they suspect a new animatronic is causing trouble.
Fanfiction about Michael Myers and Laurie often explores a complex relationship. It could be a dark, twisted take on their dynamic from the 'Halloween' franchise. Some fanfictions might focus on a psychological battle between them, with Laurie trying to outwit the seemingly indomitable Michael Myers.
One idea could be that they all end up in a shared dreamscape created by Freddy. In this space, Jason and Michael have to team up to fight Freddy's mind games and try to escape while also dealing with their own instincts to battle each other. Another could be that a powerful sorcerer summons them all to a modern city and they start wreaking havoc, and a group of brave humans try to use their knowledge of each slasher's weaknesses to stop them.
One aspect to consider in the 'freddy krueger x jason fanfic' could be the contrast in their horror styles. Freddy is more psychological and dream - based, while Jason is more brute force. In the fanfic, their encounter might bring out new and interesting horror scenarios. For example, how would Freddy's mind games work on Jason, who is more of a physical killer? It could lead to a really intense and unique horror story.