Well, it could be that Pepper, maybe feeling a sense of maternal instinct, decides to take Peter under her wing. She could help him with his studies, or with his superhero life by providing resources and moral support.
Perhaps in this fanfiction, Pepper adopts Peter after he faces some kind of hardship. Maybe he loses his aunt May, and Pepper steps in. She could introduce him to new opportunities in the Stark Industries world, like advanced tech training for his Spider - Man gear.
Obviously, Pepper and Peter are the main characters. Pepper, with her strong and capable personality, and Peter, the young and enthusiastic Spider - Man.
One possibility is that Wolverine discovers Peter in a difficult situation, like being an orphan after some tragic event in the X - Men universe. Wolverine, with his tough - exterior but kind heart, decides to take Peter under his wing. He could teach Peter how to fight and control any potential powers Peter might have, all while forming a father - son bond.
Perhaps in this fanfiction, Loki adopts Peter because he sees potential in him. Peter, being young and inexperienced in some aspects of the wider universe, can be molded by Loki. Loki could use his cunning and knowledge to train Peter not just in combat but also in the art of deception, which could be useful for Peter in his superhero life. They might start by Loki stealing Peter away from his normal life for a short time to show him a different side of existence.
Perhaps the plot involves Venom sensing that Peter has a pure heart despite their initial differences. Venom adopts Peter because he realizes Peter is alone in the world after some tragic event in the fanfiction. Venom then tries to teach Peter how to use his powers in a more aggressive way, which Peter is initially hesitant about but later comes to understand. This could lead to Peter becoming a more formidable Spider - Man with Venom's influence.
Well, perhaps in this fanfiction, Deadpool stumbles upon the chibi pet Peter in some sort of strange situation, like in an abandoned laboratory. He feels an instant connection and adopts him. Then they start living together, and Deadpool has to adjust his lifestyle to take care of Peter. Peter, being a chibi, might have some unique abilities that Deadpool uses to their advantage during battles or just to have fun with. For example, Peter could be really small and able to fit into tiny spaces to gather intel or steal things from bad guys.
Well, one possible plot could be that Peter Parker loses his Aunt May and is left alone. Matt Murdock, sensing his situation, decides to take him in. Matt could then start training Peter not just in academics but also in using his powers more responsibly, drawing from his own experiences as Daredevil. They might face some villains together, with Matt guiding Peter on how to balance his normal life with his superhero duties.
One possible plot could be that Black Widow, seeing Peter's potential and also his need for a more stable family situation after the death of his uncle, decides to take him under her wing. She could train him in more stealthy and psychological aspects of being a hero, different from what he learns from Tony Stark. For example, she might teach him how to extract information from enemies without using brute force.
Well, perhaps in the fanfiction, Natasha discovers Peter during one of her undercover missions in Queens. She realizes he's a brilliant but troubled kid with great power. So, she decides to adopt him. Then, she might introduce him to the wider world of international superhero relations. Peter would get to meet other heroes through Natasha's connections, and together they could go on missions that require both Peter's spidey - sense and Natasha's combat skills.
The plot might revolve around how Tony and Steve adjust their lives to fit Peter in. For instance, they have to learn how to be proper guardians. They could struggle with things like setting rules for Peter. On the other hand, Peter might introduce them to a more youthful and modern side of life. Maybe they all bond over building some high - tech gadget together in Tony's lab.
The plot could involve Peter being homeschooled by the best tutors Tony can hire. As he grows older, he starts to show an interest in helping Tony with his superhero work. Pepper is initially hesitant but then realizes Peter has a good heart and strong sense of justice. There could also be a sub - plot where Peter tries to keep his identity a secret from the outside world while still being part of the Stark family's public life.