The plot could start with Spider - Man accidentally getting transported to Thanos' home planet. There, he has to survive and find a way back to Earth while being hunted by Thanos. As he evades Thanos, he learns about the weaknesses of Thanos' power and technology. When he finally gets back to Earth, he uses this knowledge to fight Thanos and protect the planet.
In a fanfiction plot, Spider - Man could be the last hero standing after Thanos has already defeated most of the Avengers. With the weight of the world on his shoulders, Spider - Man has to find a way to reverse the damage Thanos has done. He teams up with some unlikely allies, like some alien species that also have a grudge against Thanos. Together, they come up with a plan to take on Thanos and his Infinity Stones.
A plot twist might be that the snap doesn't completely get rid of Thanos. Instead, it splits Thanos into multiple versions of himself, each with different levels of power and different personalities. Spider - Man then has to face not just one, but several Thanos - like entities. Also, the snap could have unforeseen effects on the Infinity Stones. Maybe they scatter across different dimensions, and Spider - Man has to retrieve them to prevent a greater catastrophe, all while still dealing with the remnants of Thanos.
In fanfiction, Spider - Man's character development could lead to his victory over Thanos. He could grow in power and wisdom, learning from his past battles. His relationship with other characters might also play a role. For example, if he has a strong bond with Doctor Strange, they could combine their powers in a way that defeats Thanos. This would be a great exploration of character dynamics in the context of a fan - created story.
In a Spider - Man vs Thanos fanfiction battle, it's tough to say who would win. Spider - Man has his agility, spider - sense, and web - slinging abilities. He can quickly dodge attacks and come up with creative ways to fight. However, Thanos is incredibly powerful, with his strength and the Infinity Stones (if he has them in the fanfic). But if Spider - Man could somehow use his intelligence to outwit Thanos, like finding a weakness in his armor or the way he uses the Stones, he might have a chance. It really depends on how the author of the fanfiction writes the encounter.
One interesting plot twist could be that Iron Man discovers a hidden power within his suit that can counter the Infinity Stones. Maybe it was something he unknowingly built into it long ago.
In a 'Spider Man vs Avengers' fanfiction, there could be a power struggle. Spider - Man, with his unique powers, might be seen as a threat by the Avengers. So they try to contain him, which leads to a battle. Spider - Man could use his intelligence to find weaknesses in the Avengers' teamwork and take advantage of that.
In many fanfictions, Spider - Man can defeat Thanos by using his unique abilities. His agility and quick thinking give him an edge. He might use his web - slinging to disarm Thanos or outmaneuver him in combat.
It could be that the Iron Man's technology, which was used in the fight against Thanos, had some sort of hidden function. Spider - Man discovers this function while tinkering with the leftover tech. This function allows him to harness and concentrate a large amount of energy, similar to the power required for the snap. So, with his quick thinking and scientific knowledge, he figures out how to use it to snap Thanos out.
One exciting plot twist could be that Venom actually has a change of heart. Maybe he realizes that he and Spider - Man are both victims in a way, and they end up teaming up against a bigger threat. Another could be that Spider - Man gets infected by a different symbiote that makes him even more powerful, but also more unpredictable, and now Venom has to decide if he wants to fight this new version of Spider - Man or join him.
Well, one possibility could be that they team up to fight a new super - villain in the city. Maybe this villain has some special powers that require both of their unique skills to defeat.
One interesting plot twist could be that Ultron hacks into Spider - Man's suit. This would put Spider - Man at a huge disadvantage as Ultron could control his movements or disable some of the suit's functions.