There could be many people who created such fanfiction. It might be an individual writer who is a big fan of both the Spider - Man and Thor characters and wanted to see what would happen if Peter could lift the hammer. It could also be part of a fanfiction community where different people contribute ideas and sometimes collaborate on stories.
It could be about an alternate scenario where Peter, perhaps Peter Parker from the Spider - Man universe, is somehow able to lift Thor's hammer. This might involve him having to prove his worthiness in a unique situation within the fan - created story.
In the 'percy lifts thor's hammer fanfiction', it could be that Percy is transported to the Norse world by some magic or accident. There, he discovers Thor's hammer. Since he's a hero in his own right from the Greek world, he has the courage and the strength of character to attempt to lift it. When he does, it unlocks a series of adventures. He might have to face off against Norse villains who are envious of his new - found power, and he has to learn how to control the hammer's power, all while trying to find a way back home.
The main characters would be Percy and Thor for sure. Percy is the central figure in this scenario as he does the extraordinary act of lifting the hammer. Thor is important because it's his hammer. Additionally, Odin could be a character. As the All - Father in Norse mythology, he would have a great interest in Percy being able to lift the hammer. And from Percy's side, Grover could be there. He might be the one to provide some comical relief during the intense situations that arise from Percy having the hammer.
In this fanfic, Naruto might gain new powers or a special status. Since Thor's hammer can only be lifted by those worthy, Naruto lifting it could signify his great character. He could use the power of the hammer in battles against powerful foes in the Naruto universe, like Madara or Kaguya.
Well, in the 'naruto lifts thor's hammer fanfic', apart from Thor, other Asgardians like Heimdall could interact with Naruto. Heimdall, with his all - seeing ability, might have seen Naruto's worthiness from afar. The Hulk could also be involved. Imagine the chaos if the Hulk got jealous of Naruto having the hammer. And from Naruto's side, Kakashi could be there to guide Naruto on how to handle this new power that comes from a different world.
Well, it could be really interesting. Maybe in this fanfiction, Peter Parker picks up Thor's hammer during a big battle. This act would not only shock everyone around him but also change the course of the battle. With the hammer, he could fly faster and strike with more force. And it would also likely have an impact on his relationships with other superheroes. They might see him in a whole new light, as someone who is not just a friendly neighborhood Spider - Man but also a worthy wielder of a powerful Asgardian weapon.
Well, it could be about Tony proving his worthiness in a unique way. Maybe he has to overcome some personal demons or face a great threat before he can lift the hammer. It could also involve his friends' reactions, like Steve's surprise or Thor's admiration.
It could be Loki. Since Peter has picked up Thor's hammer, Loki might see him as a new threat. Loki is always after power and causing chaos, and Peter with the hammer would be a powerful force to oppose him.