Perhaps in this fanfiction, Tony's relationship with other characters changes drastically. For example, some might fear him because of his connection to Death, while others might seek his help to cheat death. It could also show his internal struggle with his identity as Death's son and how he copes with it in different situations.
One plot idea could be that Tony discovers Peter has a hidden talent for advanced robotics engineering that he's been too shy to show. So, Tony takes Peter under his wing to develop this talent further. Another could be that Peter gets into some kind of trouble at school related to his superhero identity, and Tony has to step in as a father figure to help him out. Maybe Peter accidentally reveals his powers in front of some untrustworthy people at school, and Tony has to deal with the potential exposure.
Well, it might start with Tony discovering his true parentage as Death's son. Then he could face a lot of challenges and confusion as he tries to come to terms with this new identity.
Perhaps in a post - Endgame world, Tony didn't die but lost his memory. Steve takes it upon himself to help Tony regain his memories. Along the way, they re - explore their relationship, the Avengers, and all the events that led to that point. Steve shows Tony videos and tells stories, and slowly Tony starts to remember, leading to a renewal of their friendship and a new start for the Avengers.
A cool plot could be that Thor and Tony have a bit of a rivalry at first. Thor thinks Tony is too full of himself with his high - tech gadgets, and Tony thinks Thor is just a brute with a hammer. But then they are forced to work together when an alien threat arrives that is immune to Tony's tech and Thor's brute force alone. As they get to know each other better, they learn to combine their strengths and defeat the enemy. They might even become good friends in the end.
One interesting idea could be exploring Tony Stark's vision of a future where technology and humanity coexist in perfect harmony. In fanfiction, this might involve him creating advanced AI that not only helps with daily tasks but also understands human emotions deeply.
Perhaps a fanfiction where Tony's partner is pregnant and they are trying to keep it a secret from the public and his superhero friends at first. This could lead to some comical situations as they try to hide the pregnancy signs, like trying to hide morning sickness during meetings.
They could be in a post - apocalyptic world. Jessie has some special skills like being able to find water sources and Tony is good at building shelters. Together, they try to survive and build a new community, facing many challenges along the way like fighting off raiders and dealing with scarce resources.
A possible plot could be that Surtur has a part of his essence trapped in a piece of Asgardian relic on Earth. Tony discovers this relic and when he touches it, he starts having visions of Surtur. Surtur then starts to communicate with Tony through these visions, asking for his help to be fully reborn. Tony is hesitant but realizes that if Surtur is reborn in the wrong way, it could mean the end of the world. So he decides to work with Surtur, but on his own terms. This could lead to a lot of interesting interactions between the two as they have very different personalities and goals.
One idea could be that Tony tries to use his technology to control Surtar's power for some noble purpose, like saving a world from a different threat. But he quickly realizes it's a much more dangerous task than he thought.
A plot could revolve around slutty tony's attempt to revive an old - fashioned fashion house. He has to deal with the traditionalists who are against his modern and flamboyant ideas. He uses his unique charm and out - of - the - box thinking to bring new life to the brand, while also facing some personal scandals that threaten to derail his efforts.