One idea could be to explore the backstory of a minor character in the 'Men in Black' universe. For example, the janitor at the MIB headquarters. Maybe he has a secret past as an alien who was stranded on Earth and decided to work at MIB to keep an eye on things. Another idea is to create a story where an MIB agent loses their memory but still has their skills, and they have to figure out who they are while on a mission. It could add a new level of mystery and suspense to the 'Men in Black' world.
You could write a fanfic where a new type of alien arrives on Earth that has the ability to shape - shift into any human form perfectly. The MIB agents have a really hard time detecting them. The story could focus on how the agents develop new ways to identify these aliens. Maybe there's a young, inexperienced agent who has a unique perspective and comes up with the solution. It would be a great way to show the adaptability and creativity of the MIB in the face of new challenges.
One idea could be a crossover with 'Doctor Who'. The Men in Neuralyzers could meet the Doctor and his TARDIS. Maybe the Doctor's alien knowledge could help the Men in Black in a case involving a time - traveling alien species. Another idea is a crossover with 'Star Trek'. Picture the Men in Black having to deal with Klingons or Vulcans who end up on Earth. It would be a clash of two different alien - handling styles.
One idea could be an OC with the power to manipulate time. They could be a new recruit to the X - Men and struggle with using their power responsibly. For example, they might accidentally send a teammate into a different time period and have to figure out how to bring them back.
A great 'X Men Crossover Fanfic' idea could involve crossing over with the Buffy the Vampire Slayer universe. The X - Men could help Buffy and her gang fight some really powerful vampires that are immune to normal slayer weapons. Another idea is an X - Men and Doctor Who crossover. The Doctor could land in the X - Men's world and they could team up to stop some time - traveling villain who is trying to change mutant history. There could also be a crossover with the Ghostbusters. The X - Men and the Ghostbusters could work together to stop some mutant - created ghosts that are causing chaos in New York.
A cool 'X Men Ascension' fanfic idea would be to set the story in an alternate universe. Maybe in this universe, the roles are reversed, and the mutants are the ones in power while the humans are the ones feared. How would the X - Men handle this situation? Would they be more benevolent rulers or would power corrupt them? It could be a really interesting exploration of the 'X Men Ascension' concept.
One idea could be to create a fanfic about a new character's journey in the Black Desert world. Maybe a young adventurer from a far - off land who comes to the desert seeking a legendary artifact. Another could be a story centered around the relationships between different guilds in the game. For example, a story of how two rival guilds end up having to work together to face a common threat.
You could write a fanfic about the origin of a new villain in Wakanda. This villain could be a result of the scientific experiments that went wrong in Wakanda. The story could show how this villain rises to power and how Shuri and her allies have to stop this new threat to their beloved kingdom.
Perhaps a fanfic where Wolverine forms an alliance with some of his old enemies in order to fight a greater threat that endangers all mutants. This would be a story full of tension as they have to trust each other despite their past differences.
Maybe there's a crossover where a mutant has the power to control technology, and this causes a rift between the Transformers and the X - Men at first. But then they realize they need to work together to stop a greater threat, like an alien invasion that's targeting both Earth and Cybertron. The X - Men could use their powers to help the Transformers repair and upgrade in ways they never thought possible, while the Transformers provide the X - Men with powerful new weapons and defenses.
One idea could be Deadpool trying to join the X - Men but constantly causing chaos with his unorthodox methods. He might start off by 'auditioning' in the most over - the - top way, like showing up with a bunch of his chimichanga - loving friends. Another could be Deadpool getting involved in an X - Men mission where his fourth - wall - breaking abilities actually help them in unexpected ways, like when they're facing a mind - reading villain and he can just tell the reader what the villain is thinking.
One idea could be an OC who is a new secretary in the office. She has a modern perspective that clashes with the traditional values of the Mad Men era. For example, she might be more outspoken about women's rights and how they are treated in the workplace.