A plot could be centered around a spell gone wrong in the wizarding world that opens a portal to the Avengers' universe. Harry Potter, being curious and brave, steps through. In the Avengers' world, he finds himself in the middle of a conflict between the Avengers and a new supervillain. Harry uses his knowledge of magic and quickly befriends the Avengers. Together, they come up with a plan that combines magic and technology to defeat the villain. Along the way, there could be some humorous moments as the Avengers try to understand the strange rules of magic, and Harry tries to figure out how things work in the high - tech world of the Avengers.
The plot could involve Harry Potter being transported to the Avengers' universe. He might use his magic to help the Avengers fight against a common enemy, like Thanos. For example, his invisibility cloak could be used for stealth missions, and his spells could be a new form of defense against alien threats.
It could be that Harry discovers he has some sort of connection to the Infinity Stones. So, the Avengers seek his help to understand and control the power of the Stones. Along the way, he has to deal with his own past traumas as well as the new threats in the Marvel world. He might teach the Avengers some magic too, like how to apparate short distances for quick escapes or attacks.
Well, perhaps Harry discovers the Avengers through some magical means like a spell gone wrong that transports him to the MCU world. He could be in awe of their powers and decide to learn from them, and then try to incorporate their fighting styles into his own magical battles.
In this fanfiction, Harry's Animagus skills as an Avenger might also lead to some interesting character interactions. He could teach the other Avengers about magic and how his Animagus form works. For instance, Tony Stark might be intrigued by the magic behind it and try to find a scientific explanation or a way to replicate it. Meanwhile, Steve Rogers could be more interested in how Harry uses this ability in combat situations.
In this fanfiction, perhaps the reason for their marriage was a prophecy that only their combined powers could defeat a coming evil. Harry Potter, with his knowledge of the wizarding world and his own powerful magic, and the Avenger, with their superhuman abilities and high - tech gadgets, start off not getting along well. But as they face challenges together, they grow closer. They might have to deal with jealousy from both the wizarding and superhero communities, but in the end, they prove that their union is a force to be reckoned with.
If Harry Potter became an Avenger, it could lead to interesting crossovers and storylines. His experiences in the wizarding world could give him a different perspective in battles against villains.
Maybe Harry could use some of his magic skills to assist the Avengers in a battle against a powerful enemy. For example, he could use a spell to freeze the bad guys momentarily while the Avengers strike.
In a 'naruto is an avenger fanfiction' plot, Naruto could be brought to the Avengers' world because of a strange rift in the multiverse. There, he meets Captain America and is intrigued by his sense of justice. Naruto joins the Avengers in their fight against Loki, who is trying to use Naruto's chakra for his own evil plans. Naruto has to adapt to this new world while also showing the Avengers the power of friendship and determination, which are key elements in his own story.
One possible plot could be that Stiles is a huge Avengers fan in his own world, and through some magical or scientific mishap, he gets to meet his heroes. But it's not all fun and games. He has to prove himself worthy of being part of their team. He could also bring in some of his own world's technology or ideas that help the Avengers face a new and powerful threat.
Well, it could be that Peter starts off as a regular guy who is just a huge fan of the Avengers. Maybe he follows all their news, collects their merchandise. One day, he gets a chance to meet them somehow, like through a Stark Industries internship. Then he gradually proves himself useful to them and they start to train him. Eventually, he becomes part of the team, with his own unique skills like his spider - powers adding to the Avengers' strength.
The plot could involve a situation where a new form of dark magic is unleashed in the wizarding world, which spreads like wildfire and causes destruction similar to 911. The Ministry of Magic is caught off - guard. Hermione, with her vast knowledge, starts researching a way to counter this magic. Meanwhile, Ron and Harry lead the effort to protect the civilians. They set up shelters in places like the Room of Requirement and use Patronuses to guide people to safety. As they dig deeper, they discover that this dark magic was a planned attack by a long - hidden dark wizard group who wants to take over the wizarding world.