One possible scenario is that Spider - Man, now as Venom, has to face new and different villains. His powers have changed, so the way he battles foes would be different too. He might have an advantage against some villains who were previously difficult to defeat, but at the same time, he could also attract the attention of more powerful enemies who see the Venom - powered Spider - Man as a greater threat.
Well, perhaps in the fanfiction, Spider - Man is tricked into becoming Venom. A villain could manipulate the situation so that the Venom symbiote attaches to Spider - Man. As Venom, he starts to see the world from a different perspective. His relationships with his friends and family become strained as they don't recognize the changed Spider - Man. He has to find a way to break free from the symbiote's control while still using its power for good.
Well, it might show Spider - Man struggling not only with Venom physically but also with the emotional turmoil of being unmasked. His friends and family might be in danger, and he has to find a way to protect them while dealing with the public knowing who he is. Maybe he tries to convince the public that he's still on their side even though his identity is out.
In fanfiction, when Spider - Man reunites with Venom, they might have an epic battle at first. But then, they could realize they have a common enemy and team up. For example, a new super - villain could emerge in the city, threatening both of them and the innocent people. Their combined powers, Spider - Man's agility and Venom's brute strength, would make them a formidable force against the bad guy.
In the fanfiction where Spider - Man is captured by Venom, he could be used as a bargaining chip. Venom might try to use Spider - Man to get something from the Avengers or other superheroes. Spider - Man would be constantly thinking of ways to break free. He might also try to communicate with Venom, to understand what makes him so angry and vengeful, and in the process, find a weakness to exploit. It would be a battle of wills as much as a physical struggle.
In the fanfiction where MCU Spider - Man and Venom meet, Spider - Man might initially be terrified of Venom. After all, Venom is this big, hulking, and somewhat menacing figure. However, as the story progresses, they could start to understand each other. Venom could realize that Spider - Man isn't just some weakling, and Spider - Man could see that Venom has his own motives that might not be entirely evil. They might then form an uneasy alliance.
In fanfiction, if Spiderman becomes Venom, it could lead to some really interesting relationships. His friends and family might be scared of him at first. But he could also form new alliances with characters who were previously his enemies because they see his new power as an opportunity. And his suit would be a lot more menacing, with the Venom look.
Well, the OC could initially be terrified of the changes. They might wake up in the middle of the night with the symbiote taking over and not know what to do. Their friends and family could be scared of them too. But then, they start to discover the cool aspects of being Venom, like being able to climb walls and sense danger. They could end up using these powers to save their city from a new super - villain who is causing havoc.
In fanfiction, if Spider - Man becomes a spider, it would be a total transformation. His identity as Peter Parker would be almost completely lost. He would have to adapt to a new body structure. His suit might not fit him anymore, and he would need to find a new way to protect himself. Also, his enemies might not recognize him, which could be both an advantage and a disadvantage in his battles.
In fanfiction, if Spider - Man turns into Venom, he might initially struggle with the new, darker impulses. Venom's symbiotic nature could make him more aggressive. He could find it hard to control his actions, like being more prone to using excessive force against villains. His relationships would also change. His friends might be scared of him at first, and he'd have to prove that he's still the good guy inside.
The 'Venom x Spider - Man' fanfic could explore many interesting aspects. For example, it might delve into the complex relationship between Venom and Spider - Man. Venom is often seen as an antagonist, but in fanfics, they could form an unexpected alliance. It could also play with the idea of Venom's symbiotic nature affecting Spider - Man in new and unique ways, like enhancing his powers or changing his personality slightly.