Maybe he found it in an abandoned Stark Industries facility. It could have been left behind during some chaos and Peter, being the curious and resourceful guy he is, discovered it and decided to study it.
The arc reactor in fanfiction about Tony Stark is a really cool concept. It can be used to show the evolution of Stark's character. At the start, it might be just a technological marvel for powering his suit. But as the story progresses in the fanfic, it could become something more spiritual or emotional for him. It might represent his connection to his past, his father perhaps, and his journey to become a better hero. And the way different authors play with this idea in their fanfictions is really fascinating.
The arc reactor in Tony Stark fanfiction can also be a source of inspiration. Other characters might look at it in awe and be motivated to pursue their own scientific or heroic endeavors. It can be the centerpiece of a story about how Stark's technology influences those around him, not just in terms of its practical applications but also in terms of the hope and wonder it represents.
Sure, Tony Stark has an arc reactor in the comics. It's not only a power source but also a symbol of his ingenuity and survival against various threats.
One possible plotline could be Peter using the arc reactor to enhance his existing abilities. For example, if he has spider - powers, the arc reactor could make them stronger. Another could be Peter having to protect the arc reactor from villains who want to steal it for their own evil purposes.
In some comic arcs, Iron Man removing the arc reactor is indeed canon. This action might be driven by various factors such as plot twists, character growth, or to introduce new challenges for the hero.
A great one is 'The Arc Reactor's Legacy'. In this fanfiction, after Tony's death, his daughter discovers a secret compartment in the arc reactor. Inside, there are plans for a revolutionary energy - saving device that could change the world. She then embarks on a journey to complete her father's last project.