Well, perhaps Flash gets into some sort of trouble like being kidnapped by a group of villains who want to use him as a bait to lure Spider - Man (Peter Parker). Peter, using his spidey - senses, tracks Flash down and has to fight off the bad guys to save him. It could also be that Flash accidentally stumbles upon a dangerous experiment and Peter has to save him from the resulting chaos.
In the 'Peter Parker Saves Flash Fanfiction', it might be that Flash is in danger due to his own recklessness. For example, he could be trying to prove himself by getting involved in a situation he can't handle, like investigating a strange occurrence in an abandoned building. Peter Parker, being the friendly neighborhood Spider - Man, feels responsible for Flash's safety even though they don't always get along. So he swings in to rescue Flash from whatever perils await him, be it a collapsing building or some sort of super - powered threat.
Well, maybe Peter has to face a new super - villain who has a strange power to control technology. So he swings around the city, using his spider - sense to figure out the villain's plan and then saves the day.
In this fanfiction, it's possible that a symbiote - influenced villain could be the antagonist. Maybe someone who has bonded with a part of the symbiote and has a thirst for chaos. They might see Flash as an easy target to cause mayhem and draw out Spider - Man. Additionally, the Scorpion could be another antagonist. He might be hired by some shadowy figure to capture Flash in order to lure Spider - Man into a trap. There could also be a group of alien invaders who mistake Flash for someone important and Peter has to save him from their clutches.
In this fanfiction, it could be that the school is facing a financial crisis and is about to be shut down. Peter, as Peter Parker and not Spider - Man at first, tries to use his regular skills to raise funds and awareness. But when some thugs try to take advantage of the situation and bully the students, he has to reveal his Spider - Man identity to stop them. He then uses his popularity as Spider - Man to draw attention to the school's plight and get the community to support it, ultimately saving the school.
Maybe Peter and Flash are forced to work together on a school project. As they do, Flash starts to see Peter in a new light and they gradually become friends. Along the way, they face challenges like bullies or school rivalries, and their friendship deepens through overcoming these obstacles.
There could be a deeper reason for the fight in the fanfiction. Maybe Flash has accidentally found out something about Peter's double life and is trying to blackmail him. This would lead to a more intense and emotional fight, with Peter having to protect his secret identity at all costs.
Well, if Peter Parker becomes Flash in fanfiction, he might use his new super - speed in really interesting ways. For example, he could swing between buildings as Spider - Man even faster. Maybe he'd combine his spider - sense with the Flash's ability to see things in slow motion, making him an even more formidable hero. He could also use the Flash's speed to create new web - slinging techniques, like using his speed to make the webs shoot out faster and farther.
The plot could twist when it turns out that the real danger the Avengers are in was set up by someone close to Peter. It could be a friend or a teacher who has been secretly working for a super - villain. Peter has to overcome the shock of this discovery and still find a way to save the Avengers.
In the fanfiction, they might be kidnapped by a supervillain who wants to use them as bait to lure Spider - Man. Maybe the kidnapper thinks Flash has some connection to Peter Parker (aka Spider - Man) and plans to expose his identity through Flash.
One possible reason could be envy. Flash might be jealous of Peter's intelligence or popularity at school. Maybe he feels overshadowed by Peter and his achievements, so in the fanfiction, his anger and frustration lead him to lash out physically.
One plot idea could be that Flash discovers Peter's secret identity as Spider - Man by accident. For example, he might see Peter changing into his suit in a secluded area. Another idea is that they have to team up to solve a mystery in their school, like a series of strange disappearances. Maybe Flash initially refuses to believe Peter's abilities but then witnesses him in action and has a change of heart.