In this fanfiction, the plot could center around Peter Parker being chosen by the universe itself. He could be the key to unlocking a hidden power within the fabric of the cosmos. The story might show how he struggles to come to terms with this new role. He may face opposition from both terrestrial villains who fear his new power and cosmic entities who don't want a human to have such influence. Peter would then have to prove himself worthy of being a 'child of the universe'.
One possible plot could be that Peter Parker discovers his connection to the universe in a very profound way. Maybe he starts to have powers that are not just spider - related but are more cosmic in nature. For example, he could have the ability to communicate with celestial beings or understand the language of the stars. This new power might put him in a position where he has to protect not just New York but the entire universe from a threat that only he, as a 'child of the universe', can stop.
Maybe it's a group of intergalactic criminals who are after the power that Peter Parker has as a 'child of the universe'. They could be stealing artifacts from different planets to gain more power and they see Peter as the ultimate source of power that they need to complete their collection.
One possible plot could be that Peter and Gwen have a child who discovers their superhero/vigilante past. The child might start to show signs of having special abilities like Peter, and they struggle to keep it a secret at school while also trying to understand their newfound powers. Maybe they find an old enemy of Peter's is back and they have to team up with their parents to stop the threat.
A fanfiction could show Peter being kidnapped by a criminal mastermind who wants to use him as leverage against Spider - Man in the future. Peter, as a child, would have to find a way to escape and also figure out how to stop this person from ever coming after him again. It could involve him making new friends among other kidnapped kids who help him in his escape plan.
In a 'Peter Parker Funeral' fanfiction, the story might start with the discovery of Peter's death. It could be due to a powerful villain finally getting the upper hand. His Aunt May is heartbroken. The funeral could be a very private affair, with only his closest friends and family. But as the news spreads, the whole city starts to remember Spider - Man's deeds. There could be a lot of flashbacks in the fanfiction, showing how Peter grew into the hero he was.
One possible plot could be that Peter Parker is experimented on by some villain who wants to create chaos. The experiment goes wrong and it starts to mess with his mind, turning him into a Joker - like figure. He then starts to cause mayhem in New York City, using his spider - powers in ways that are more for destruction and amusement rather than heroism. His friends and family are shocked and try to figure out what happened to him and how to bring him back to his normal self.
One possible plot could be that Peter discovers he has Asgardian blood through some magical accident. He then starts to have visions of Asgard and is eventually drawn there. Once in Asgard, he has to prove himself worthy, just like Thor did with Mjolnir, but with his own unique set of skills as Spider - Man.
Well, it could be about Peter Parker getting trapped in subspace while on a mission. He might encounter strange entities there that he has to outwit to find his way back. Maybe he discovers some new powers or abilities while in subspace that help him in future battles in the normal world.
A plot could involve Peter going on a long - distance mission with the Avengers. They're in a quinjet or some other vehicle. Peter starts feeling carsick because of the unfamiliar motion. His carsickness becomes a bit of a problem during the mission as it affects his performance. So, the other Avengers have to figure out how to deal with it while also handling the mission at hand. It could add a touch of humor and a new dynamic to the story.
Well, the plot could involve Peter Parker using his scientific knowledge to create a revolutionary product that makes him extremely wealthy overnight. With his new wealth, he decides to fund various projects in New York to fight crime more effectively. He might also face new enemies who are after his money or try to use his wealth for their own evil purposes. And his personal life would change too, as he'd be living a more luxurious lifestyle while still trying to keep his identity as Spider - Man a secret.
In this type of fanfiction, the plot could start with Peter discovering his immortality after a near - death experience. He realizes that he can't die no matter what. This makes him question his own identity and his role as Spider - Man. He decides to travel the world, learning different fighting techniques and knowledge. Along the way, he still tries to protect the innocent. But he also has to deal with the fact that he will outlive everyone he loves. He might even try to find a way to reverse his immortality at some point.