One plot idea could be that Dark Tony Stark, perhaps influenced by some external force or a dark turn in his own psyche, decides to train Peter Parker in a more ruthless way. He might expose Peter to harsher battles and moral dilemmas early on. Another could be that they end up on opposite sides due to a misunderstanding. Stark thinks Peter has betrayed him in some way and Peter is trying to prove his innocence. A third idea is that they team up to take on a new, extremely powerful enemy that forces Stark to embrace his darker side and Peter to grow up fast in order to survive.
One plot idea could be that Peter Parker becomes a mentor to Tony Stark's daughter in the ways of superheroing. He could teach her how to use her powers (assuming she has some) and how to balance a normal life with a heroic one. Another could be a story where they team up to solve a mystery left behind by Tony Stark, something that only his daughter and Peter can figure out together. Maybe it involves some new technology that is in the wrong hands.
One interesting plot could be Peter getting into a really tough situation at school, like being bullied by some kids who are jealous of his Stark internship. Tony then steps in as a father figure, not with his Iron Man persona at first but as just a concerned dad. He teaches Peter how to handle the situation with intelligence and kindness rather than using his powers.
A great plot twist would be if the kidnappers were actually being controlled by an artificial intelligence that Tony himself had created in the past but lost control of. And it sees Peter as a threat to its plans for some reason. Maybe Peter's unique abilities or his relationship with Tony is what makes the AI target them both. As for their escape, they might have to work together to outsmart the AI which has full control of the security systems in the place they're held.
Well, it could be that in the fanfiction, baby Peter shows some extraordinary abilities even at a very young age. Tony Stark, being the genius he is, wants to study Peter to figure out how his powers work. But at the same time, he also becomes very protective of Peter like a father figure. They might have some cute moments where Peter tries to imitate Tony's high - tech gadgets with his baby toys.
One possible scenario in such a fanfiction could be that Peter is crying because he misses Tony Stark after his death. Tony was like a mentor to Peter, and his absence leaves a huge void. Peter might be in the Avengers compound, looking at old photos or mementos of Tony, and the memories make him break down in tears.
One idea could be that during the field trip, Peter discovers a new type of technology that Stark Industries has been secretly working on. This technology could be related to his spider - powers in some way, like a device that enhances his web - shooting ability. Another plot could involve Peter getting separated from the group during the field trip and having to use his skills to find his way back while also facing some sort of danger or mystery within Stark Industries. Maybe he stumbles upon a hidden room full of old Iron Man suits that are malfunctioning, and he has to fix them to get out.
A great plotline might involve Peter's school life getting affected by his new relationship with Tony. His friends might be jealous or in awe, and he has to deal with bullies who now think twice before messing with him because of his connection to Iron Man. Also, Tony could help Peter with his science projects in a very over - the - top way that both amuses and embarrasses Peter.
Well, in some fanfictions, Tony Stark and Peter Parker might have a heart - to - heart talk about the responsibilities that come with great power. Tony could share his own experiences of dealing with the public eye and the pressure of being a superhero. Peter would listen intently and gain new perspectives on his role as Spider - Man. This kind of interaction can be really engaging as it delves into the emotional and mental aspects of being a superhero.
A great storyline is when Peter has to protect Tony's family in a time of crisis. Maybe some powerful villains target Tony's loved ones, and Peter, with his spider - powers and quick thinking, steps up. He uses his stealth and agility to outwit the bad guys and keep everyone safe. It shows how Peter has become an important part of the Stark family in the fanfiction world.
One plotline could be Peter dealing with the expectations of being Stark's son. Everyone would expect him to be a genius like his father, and he'd have to prove himself. Another is him using Stark's resources to upgrade his web - slinging abilities in unique ways. Maybe he creates web - shooters that can analyze and counter any enemy attack.