Well, one interesting reaction could be when Spider - Man first reveals his identity to a particular character in the fanfiction. The shock and disbelief on their face would be a great reaction.
Mary Jane often has notable reactions. When she sees Peter in his Spider - Man persona, she might have a reaction of surprise, but also a sense of pride in him. Or when he's in danger, her worry and fear are important reactions that add to the emotional depth of the fanfiction.
One interesting reaction in the fanfiction could be related to the soundtrack. The music in 'Into the Spider - Verse' is so catchy and it really sets the mood for different scenes. Fans might write about how the music enhanced their viewing experience and how it made certain moments more emotional or exciting. Additionally, the movie's exploration of the multiverse concept can cause fans to write reactions about how mind - blowing it was to see all those different versions of Spider - Man coexisting and interacting.
One interesting 'Spider Man reaction fanfiction' story could be about how ordinary people react when Spider - Man swings by their neighborhood for the first time. They might be in awe, some might be scared thinking he's a threat at first. Another could be the reaction of other superheroes in the Marvel universe when Spider - Man does something unexpected, like when he saves the day in a really unique way.
One interesting concept could be alternate versions of Spider - Man's powers. Maybe in the fanfiction, he has a new web - shooting ability or enhanced strength. Another concept might be different relationships. For example, a unique friendship or rivalry with other characters like Venom or Doctor Octopus. Also, the setting could be changed, like a futuristic New York City where Spider - Man has to adapt to new technologies and threats.
Maybe a fanfiction where all the Spider - Men and Women from different spider - verses team up to fight a common enemy that threatens all of their universes. It could be a powerful cosmic entity that is consuming the multiverse, and they have to combine their unique skills and knowledge to stop it. This would allow for a lot of cool interactions between the different characters.
In some fanfictions, Scarlet Spider might face a threat that is specifically targeting him because of his connection to Spider - Man. This could lead to a series of intense battles and investigations. He has to use his unique skills, like his enhanced agility and his ability to stick to walls, to outwit the enemy and protect those he cares about.
Some fans might write fanfiction reactions focused on the emotional reunions in the movie. For example, the moment when Tobey Maguire's Spider - Man and Andrew Garfield's Spider - Man meet Tom Holland's Spider - Man. It's a very touching scene and could inspire fanfiction about their shared experiences and how they support each other.
Perhaps a plot in Ultimate Spider - Man Vol 3 Fanfiction is about Spider - Man getting trapped in an alternate dimension. In this dimension, the rules are different, and he has to figure out how to get back to his own world while also dealing with the strange inhabitants and new threats there. It could also be interesting if there was a plot where Spider - Man has to deal with a virus that affects his powers, causing them to be unpredictable. He then has to find a cure while still protecting the city.
One interesting story could be about Spider - Man teaming up with some unexpected heroes from other universes within the fanfiction world. Maybe he has to face a new villain that's a combination of several of his old foes' powers.
One interesting crossover could be Spider - Man using his agility to outmaneuver the Hulk during a battle in a fanfiction. His webs could be used to slow down the Hulk's rampage.