One interesting storyline could be where Deadpool somehow gets transported to the wizarding world. He'd be his usual chaotic self, confusing the hell out of everyone, especially Hermione. She might initially be put off by his insanity but gradually see his good side as he helps in some sort of magical - mutant mash - up adventure, like fighting a new dark wizard - mutant hybrid villain.
A possible story could be that Hermione discovers a spell to cross dimensions and ends up in Deadpool's world. There, she has to adapt to his crazy, non - magical world while Deadpool is both fascinated and protective of her. They team up to stop a threat that is endangering both their worlds. Maybe a group of scientists who want to use magic for evil purposes and are also creating mutant - like abominations.
Perhaps there's a fanfic where Deadpool has a mission in the wizarding world and Hermione is assigned to be his guide. Deadpool constantly cracks jokes and breaks the fourth wall, which annoys Hermione at first. But as they face challenges together, like dealing with a horde of magical creatures gone wild, they form an unlikely bond. Deadpool teaches Hermione to loosen up a bit, and she teaches him about the power of magic.
One interesting storyline could be Deadpool and Spider - Man teaming up to take on a powerful new villain that neither could defeat alone. They would have their comical banter while trying to figure out the villain's weakness.
One interesting storyline could be Spiderman and Deadpool teaming up to take on a powerful new villain that neither could defeat alone. They'd use their unique skills, like Spiderman's web - slinging and agility and Deadpool's unorthodox fighting style and regeneration.
A great storyline could be Deadpool being sent to Ooo to retrieve a magical item that he thinks will make him even more indestructible. He teams up with Finn and Jake, but along the way, he starts to care about the people in Ooo more than the item. Another could be that the Lich somehow makes a deal with Deadpool's enemies in his own world and they all end up in Ooo, creating a huge battle. Deadpool has to choose between his old life and his new friends in Ooo.
One interesting storyline could be Hermione finding herself in Gotham City and having to use her magical skills to outwit the Joker. Maybe she tries to stop his evil plans without revealing her magic to the non - magical inhabitants of Gotham. Another could be the Joker getting his hands on some magical item from Hermione's world and she has to retrieve it. For example, if he got a powerful wand, Hermione would need to use her intelligence and magic to get it back before he causes chaos with it.
Perhaps a storyline where Hermione is a mother in a post - war wizarding world. She has to raise her children in a society that is still rebuilding, teaching them values of peace and unity. This could involve her sharing her own experiences from the war to instill important life lessons.
A third storyline might be that there's a misunderstanding between Spider - Man and Deadpool. Deadpool is hired to do a job that Spider - Man thinks is wrong. So, they start off as enemies in the fanfiction. But as they fight and exchange banter, they realize they've been set up by a bigger bad guy and end up working together to take this real villain down.
Another storyline might involve a time - travel scenario where Hermione goes back in time and encounters a younger Fenrir Greyback. She attempts to change his path, to prevent him from becoming the cruel werewolf he is known to be in the future. This could involve her using her knowledge and magic to offer him a different future, but facing many challenges along the way.
One interesting storyline could be Hermione getting involved with the Black family secrets. Maybe she discovers a hidden Black family magic that could change the wizarding world. For example, she might find a spell that has been lost for centuries within the Black family library.
One interesting storyline could be Hermione trying to navigate the complex social hierarchies within the pureblood culture. For example, she might have to deal with ancient family traditions and etiquettes that are completely new to her. Another could be her using her intelligence to challenge some of the archaic beliefs held in the pureblood culture, like ideas about blood purity and family status.
One interesting storyline could be their children starting at Hogwarts and facing new, unforeseen magical challenges that Harry and Hermione have to guide them through. Maybe a new dark wizard is on the rise and their kids are the ones who first notice the signs.