Well, a plot twist could be that Harry's past with the Dursleys is revealed to Tony in a very dramatic way. Maybe some magical artifact from Harry's world that he brought with him accidentally shows Tony all the abuse and neglect Harry endured. This could lead to Tony becoming extremely protective of Harry and going after the Dursleys in his own way, using his resources and influence. Another twist might be that Harry has a hidden power that is only awakened when he is in the presence of Stark's advanced technology. This power could be something that even the wizarding world doesn't know about, and it could put Harry in a position where he has to choose between his two worlds. And then, there could be a plot twist where Tony's enemies target Harry to get to Tony, thinking that Harry is Tony's weak point, but in reality, Harry ends up being the one who saves Tony.
A plot twist could be that the Ministry of Magic tries to get Harry back from Tony Stark. They might see Stark as an unfit guardian because he is from a non - magical world. This could lead to a legal battle between the wizarding world and Stark, with Harry caught in the middle. He would have to decide whether he wants to stay with Stark or go back to the wizarding world. Another plot twist could be that Harry discovers that he has a long - lost relative in the Marvel universe. This relative could be a superhero or a villain, and it could completely change Harry's understanding of his family and his place in both worlds. Also, it's possible that Tony Stark's technology somehow starts to malfunction because of Harry's magic. This could cause chaos in Stark's life and force them both to find a way to make the two different powers co - exist.
One possible plot twist could be that Peter's identity as Spider - Man is revealed to the public much earlier than in the original story. Since Tony Stark is his adopted father, he has to use all his resources and influence to protect Peter from the various threats that come with this exposure. This could lead to a lot of interesting scenarios, like Stark having to face off against some of his own business rivals who might want to use Peter's powers for their own gain.
Well, one possibility is that Harry, who might be in a difficult situation in his own world, is suddenly whisked away to the Marvel universe. Tony Stark, seeing his potential or just feeling a connection, decides to adopt him. Harry could then be introduced to high - tech gadgets and superhero training, and he might use his own magical knowledge in unexpected ways in this new world.
Perhaps the plot twist is that Gregory Stark is from an alternate universe where the rules of physics and technology are different. His methods of saving Tony Stark seem strange and dangerous at first, but in the end, they lead to a revolutionary breakthrough in both Stark's personal technology and the way the world views superheroes.
One possible plot twist could be that Peter's real identity as Spider - Man is revealed to Tony in a very unexpected way. Maybe during a fight against a common enemy, Peter's powers malfunction and he has to expose his identity to save Tony. Another could be that Tony's enemies try to use Peter against him once they find out about the adoption. For example, they kidnap Peter to blackmail Tony into giving up some important technology.
Maybe Harry travels to the Marvel universe and tries to learn from Tony Stark. He could be interested in Stark's technology for some reason related to fighting Voldemort, like using it to detect Death Eaters.
One possible plot twist could be that Harry discovers some hidden magical ability within himself that is related to his new family with Dean. Maybe it's a unique type of magic that only his new family line has.
Well, the plot might involve Harry being discovered by Tony Stark when he's a young boy. Stark, being the curious and intelligent man he is, tries to figure out Harry's strange powers. Along the way, they face villains who are interested in both Harry's magic and Stark's technology. As Harry grows, he has to learn to balance his two worlds, the magical world he came from and the high - tech world of his father. He might also use his knowledge of both magic and technology to save the day on multiple occasions.
Well, in such a fanfiction, Harry could gain access to Stark's advanced technology. Maybe he'd use Iron Man suits in his battles against the dark forces at Hogwarts. It would be a really cool blend of the magical and technological worlds.
Well, Harry would probably grow up in a very high - tech environment. Tony could train Harry in self - defense using advanced Stark technology instead of magic wands. Harry might also get to attend normal school along with some homeschooling in all things Stark - related.
Maybe the fanfiction could be about Tony adopting a child with special powers. He has to protect the child from those who would misuse the powers while also helping the child understand and control them. This could involve lots of action scenes and emotional bonding between Tony and the adopted child.