Fanfiction is all about bending the rules. Regarding Hermione being Clint's daughter, it could start with a plot device like a time - travel or dimension - hopping accident. Imagine Hermione gets lost in a different dimension where Clint is. He takes her in and raises her as his own. Her magical abilities could be a secret that she has to hide in this new world, which would add a lot of interesting plot twists and character development to the fanfiction.
Fanfiction is all about creativity and bending the rules. Regarding Hermione being John Winchester's daughter, it could be that the writer wants to explore the contrast between Hermione's magical world and John Winchester's world of hunting supernatural beings. Maybe Hermione discovers her true heritage through a series of adventures that bridge the two worlds. It could also be a way to combine the themes of magic and the fight against evil in a new and interesting way.
Well, in fanfiction, anything is possible. It could be that some sort of magical crossover event occurred. Maybe a powerful magic accidentally or purposefully merged the two universes. Another idea is that there could be a hidden connection between Hermione's magic and Maleficent's dark magic that was only discovered in this fan - created storyline.
In fanfiction, it's about creative license. One way this could work is if there was a powerful magical or technological device that merged the two universes on a small scale. This device could have somehow altered reality in such a way that Hermione became related to Tony. This relationship could then lead to all kinds of new storylines, like Hermione using her magic to help Tony with his inventions or Tony teaching Hermione about modern technology, which she could then incorporate into her magical studies.
In fanfiction, the idea of Naruto being Mirajane's brother might be achieved through some creative plot devices. For example, it could be a result of some time - traveling or dimension - hopping event. A wizard or a ninja with special abilities accidentally merges their two worlds in a way that Naruto and Mirajane end up being related as siblings. This allows the writer to explore how characters from two very different series would interact within a family dynamic.
Well, in fanfiction, anything is possible. Writers often create crossovers by bending the rules of the original universes. Maybe a magical portal or some sort of time - space distortion could bring the two universes together, allowing Harry Potter (as a female in this case) to be related to Tony. It's all about creative imagination and the desire to see different fictional elements interact.
Well, in fanfiction, anything can be possible. Maybe some sort of multiverse theory could be applied. A strange rift in the fabric of the universes could have occurred, pulling Naruto from his ninja world into Harley Quinn's chaotic Gotham - like world. And then, through some really wild and unthinkable circumstances, they end up in a situation where Naruto could be seen as her son. Maybe Harley Quinn took in Naruto when he was lost in her world and raised him as her own.
In a fanfiction scenario, it might be possible if there was a powerful Sith artifact that somehow ended up in the Naruto world. Naruto, being curious and perhaps a bit naive at first, gets too close to it. The artifact starts to corrupt him, slowly turning his ideals and powers towards the dark side, similar to how Darth Sidious rose to power. This would be a long and complex transformation, changing Naruto's personality and abilities to be more like the Sith Lord.
One way this could be possible is through some kind of magical or divine intervention. Maybe a powerful magic crossed the boundaries of different fictional realms and somehow created a connection between Hermione and Elrond, leading to her being his daughter. It could also be a result of a time - traveling or dimension - hopping accident where Hermione ended up in Elrond's world and through a series of events, became related to him.
Well, in fanfiction, anything can be made possible through creative reinterpretation. Maybe there could be some sort of magical cross - over event. For example, a powerful wizard might accidentally create a portal between the Harry Potter universe and the My Hero Academia universe where Harry Potter and Midoriya's mother meet. However, this completely goes against the established canons of both series, but that's the beauty of fanfiction - it breaks the rules to create new and interesting stories.
She could have adventures that combine her magical skills with Clint's combat abilities. For instance, they could go on a mission to stop a villain who is using both magic and advanced technology. Hermione's spells would come in handy, while Clint's archery skills would provide a different kind of offense.