One possible plot could be that fem Harry Potter somehow ends up in the Supergirl universe. She uses her magic to help Supergirl fight against a powerful villain who has a weakness to magic. Along the way, she has to adapt to the new world and its rules.
Well, it's quite possible. The world of fanfiction is huge and full of all kinds of creative combinations. A fem Harry Potter in the Supergirl setting could lead to some really interesting stories. For example, maybe she has magic in the Supergirl world which could be used in unique ways to fight villains or help Supergirl. However, it might take some searching on different fanfic platforms to actually find one.
A 'Harry Potter marries Supergirl' fanfiction might start with Supergirl accidentally landing in the wizarding world. Harry Potter, being the curious and brave wizard he is, approaches her. At first, there are misunderstandings due to their different cultures and powers. But as they start to communicate and learn about each other's worlds, they realize they have a lot in common. They both fight for the good of their respective worlds. This mutual understanding leads to a deep friendship and later, love. Their marriage would be a grand event, attended by wizards, witches, superheroes, and supervillains (the ones who are allowed to come under a truce). It would symbolize the coming together of two very different yet equally amazing fictional universes.
Well, it could be that Supergirl lands in the wizarding world somehow. Maybe she's chasing a bad guy who uses magic to escape to Hogwarts. And then she teams up with Harry Potter to fight the bad guy. Harry could teach her about magic while she teaches him about her superpowers.
A plot could revolve around a love triangle. Supergirl catches the eye of both Harry Potter and Draco Malfoy. Harry is attracted to her because of her strength and kindness, while Draco is intrigued by her otherworldly nature. Supergirl is more interested in Harry because of his selfless nature. This causes tension between Harry and Draco, which is further complicated by the fact that they have to work together to stop a new threat to the wizarding world. The lemon aspect could be some tender moments between Harry and Supergirl as their relationship develops.
One possibility could be that Supergirl somehow ends up in the wizarding world of Harry Potter. Maybe she's chasing a powerful magical artifact that has fallen into the wrong hands in Hogwarts. She could use her superpowers to help Harry and his friends during a particularly tough battle against Voldemort, like using her heat vision to fend off Dementors or her super strength to break through some dark magic barriers.
Well, perhaps the female Harry Potter uses her magic skills in the world of being a hitman. She could be using spells to outwit her targets or to make her escapes. Maybe she has a special wand that she uses as a weapon in a more non - traditional hitman way.
Well, it could be that Fem Harry Potter, being a fan of Catwoman, tries to incorporate some of Catwoman's traits into her own life at Hogwarts. Maybe she becomes more stealthy and agile, using her magic in a way that mimics Catwoman's movements. She might even create a magical version of Catwoman's costume for a costume party at school.
Well, it could be a really strange plot. Maybe in this fanfiction, Fem Harry Potter is intrigued by Orochimaru's dark and mysterious magic. She might see his ability to transform and experiment with different forms of life as something unique. Since she has her own experiences with magic in the wizarding world, she could be interested in exploring Orochimaru's more unorthodox methods. It could also involve her trying to understand Orochimaru's motives, perhaps thinking that there's some good in his actions deep down, which is a very different perspective from what most in the Harry Potter universe would think.
It could be about Fem Harry Potter having extraordinary powers and being revered like a goddess. Maybe she uses her new - found goddess - like status to change the wizarding world for the better, like bringing more equality among different magical creatures and wizards.
Well, perhaps it could be about Fem Harry Potter using her magic in unique ways to create art. Maybe she can make paintings come to life with a wave of her wand, adding a whole new dimension to the wizarding art world.