One possibility is that Tony Stark uses his technological genius to revolutionize government operations. He might introduce advanced security systems based on his Iron Man technology to protect the nation. He could also reform the energy sector by promoting his clean and efficient arc reactor technology on a large scale.
In a story where Tony Stark becomes president, he would likely face a lot of political opposition at first. But with his charm and quick wit, he'd start to win people over. He'd probably bring in his Avengers friends to help with international relations, like having Thor for some diplomatic meetings with Asgard - related matters.
It could be about Tony Stark using his technology to explore Atlantis. Maybe he discovers some ancient power source there that he wants to study or use for his own inventions.
It could be about Tony using his scientific mind to understand the Shinigami powers. Maybe he tries to reverse - engineer their abilities or find a way to incorporate them into his Iron Man suit. For example, he might study how Shinigami can move between the living world and the afterlife and try to create a device that allows him to do the same.
It could be really interesting. Maybe Tony Stark would try to build his own lightsaber using his high - tech knowledge. He might be impressed by the Force and try to find a scientific explanation for it. He could also end up in a Star Wars universe and use his Iron Man suit to fight alongside the Jedi or the Rebels.
One reason could be the loss of a close friend like Steve Rogers. Their complex relationship and the times they fought side by side, if Steve were to sacrifice himself, it would be a huge blow to Tony. He might cry out of grief and also regret for the times they had disagreements.
He'd face public distrust. People might be worried that his billionaire - playboy - philanthropist attitude would carry over into his presidency and he'd make rash decisions.
It could be about Tony Stark finding a way to integrate magic into his technology. Maybe he discovers a magical energy source and figures out how to use it in his Iron Man suits to give them new abilities.
One possible plot could be that Harry Potter uses his experience in fighting dark forces at Hogwarts to lead the wizarding world as president. He might focus on improving inter - house relations which could be seen as similar to different political factions. He'd also likely use his skills in defense against the dark arts to enhance security in the wizarding community.
One possibility is that Harry would grow up in a world full of advanced technology. He might use Stark's tech to enhance his magic. For example, he could create magical items with the help of Stark's engineering knowledge. Maybe he'd have a wand that also functions as a high - tech gadget.
One possibility is that she could be a brilliant scientist like Tony. Maybe she works on different projects that are crucial for the Avengers. For example, she might develop new types of armor or advanced weaponry to help the team in their battles against powerful foes. She could also have a unique relationship with each Avenger. With Steve Rogers, she might initially clash due to their different views on military and technology but later come to respect each other. And with Thor, she could be fascinated by Asgardian technology and magic, leading to some interesting exchanges and collaborations.
Perhaps the story is set in a future where new threats emerge. The daughter, with her combined Stark and Potts genes, becomes a key figure in defending the world. She teams up with other young superheroes and uses her intelligence and courage to overcome the villains. It could also involve her uncovering some long - lost secrets of her father's that help in the fight.