A Harry Potter x Avengers fanfic could be really exciting. Maybe the Avengers get transported to the wizarding world. Iron Man could be fascinated by all the magic and try to incorporate it into his tech. Thor might find similarities between his Asgardian magic and the wizarding magic. And Harry Potter and his friends could learn a thing or two about teamwork from the Avengers.
One possible plot could be that Voldemort teams up with Loki. The Avengers and the Hogwarts crew would then have to work together. Harry, with his knowledge of magic, could teach the Avengers some basic spells to counter the dark magic Voldemort and Loki are using. Iron Man could use his technology to enhance some of the Hogwarts defenses. And Thor could share his knowledge of Asgardian magic with the wizards at Hogwarts.
Well, it could be about Harry Potter somehow ending up in the Avengers' universe. Maybe he uses his magic to help the Avengers in a battle against a powerful new enemy. For example, he could use spells to disable high - tech weapons of the bad guys that the Avengers are having trouble with.
One idea could be that Voldemort teams up with Loki. They both have a thirst for power and chaos. The Avengers and the wizards from Harry Potter's world would have to put aside their differences to fight this new, powerful alliance. Maybe the Time Stone could be involved, with Doctor Strange and Hermione trying to figure out how to use it to prevent the villains from achieving their goals.
Definitely Dr. Strange. He already has a connection to magic, so in a Harry Potter x Avengers fanfic, he could bridge the gap between the two worlds. He could learn new spells from the wizards and share his knowledge of the mystic arts. His ability to manipulate time and space would be really useful in the wizarding world, and he could help the Avengers and the wizards deal with threats that involve both magic and science.
Thor could be a main character. His godly powers and his somewhat otherworldly nature would add an interesting element to the story. And then there's Snape. His complex personality and his skills in potions and the dark arts could play a significant role, especially if there are plot elements related to poisons or dark magic that the Avengers need to deal with.
Definitely Harry Potter and Spider - Man. Harry could teach Peter about the magical world, like how to use a broomstick. And Peter could show Harry how to use his web - slingers in a more creative way in combat. They're both young heroes with a strong sense of justice, so they'd get along well.
One great 'Harry Potter x Daphne x Astoria' fanfiction is 'The Greengrass Sisters' Adventure'. It weaves an interesting story where the characters' relationships develop in a magical way. The author does a wonderful job of portraying Daphne and Astoria's different personalities and how they interact with Harry.
Often, they emphasize the strong friendship. For example, they might show how Harry, Hermione, and Ron support each other through difficult times. In many fanfics, their unique skills combine to solve problems. Harry's courage, Hermione's intelligence, and Ron's loyalty all play important roles.
Yes, there are some out there. You can start by looking on popular fanfiction websites like Archive of Our Own. Just search for 'Harry Potter x Hikaru x Kaoru' and you'll likely find a variety of stories with different plotlines and interpretations.