Perhaps in the fanfiction, Deadpool gets accidentally zapped with some of Spider - Man's powers. This would lead to a lot of comical situations as Deadpool tries to figure out how to use web - slinging and enhanced senses while still maintaining his own chaotic style.
One idea could be that they team up to take on a new super - villain who has the ability to manipulate time. This would put their different skills to the test as they try to stop the villain from changing the timeline in a disastrous way.
One plot idea could be that Spiderman and Deadpool are forced to team up on a mission in a strange, other - dimensional city. During their time there, they have to rely on each other in ways they didn't expect, leading to a deeper understanding and a unique friendship. Another could be a time - travel plot where they go back in time and have to deal with versions of themselves from different points in their history. Maybe they accidentally change something in the past that affects their present relationship in unexpected ways.
A plot could involve Spiderman being suicidal due to some big mistake he thinks he made, like accidentally endangering a lot of civilians. Deadpool, with his unorthodox methods, could help Spiderman see that mistakes are a part of being a hero and that he can still make amends. For example, they could team up to take on a villain who is specifically targeting Spiderman because of his vulnerable state, and in the process, Spiderman regains his will to live.
One idea could be that they team up to take on a new super - villain who has the ability to manipulate time. Deadpool's unpredictability and Spiderman's quick thinking would make for an exciting combination in this scenario.
One idea could be that they team up to take on a new supervillain in town who has the ability to manipulate time. This would create a lot of chaos and require their combined skills to stop. Another could be a comical misunderstanding where Deadpool thinks Spiderman has stolen his favorite weapon and they have a fight before realizing it was all a mistake.
Perhaps there could be a story where Fem Deadpool gets accidentally sent to an alternate dimension where Spiderman is a much darker and more brooding hero. She has to convince him to help her get back home while also dealing with the different threats in that dimension. It could be a story full of action and self - discovery for both characters.
A third plot could involve Deadpool accidentally getting transported to Teen Spiderman's high school. He causes all sorts of mayhem there while Spiderman has to both keep his identity a secret and deal with Deadpool's antics. It could lead to some really comical situations like Deadpool trying to participate in a school play or a science experiment in the most inappropriate ways.
One idea could be that Deadpool and Spiderman have to team up to stop a powerful new villain who can manipulate time. This would put Spiderman's quick thinking and Deadpool's unpredictable nature to the test. Another plot could involve Deadpool accidentally getting Spiderman into trouble with the public by his over - the - top antics, and they have to work together to clear Spiderman's name.
One idea could be that Deadpool and Logan team up to take on a powerful new mutant threat. Deadpool's wacky humor and Logan's brooding strength would make for an interesting dynamic as they face this danger together.
Another plot could involve Deadpool being hired by an unknown force in the Naruto world to assassinate a powerful shinobi. But when he meets Naruto, he has a change of heart. They then work together to uncover the mystery behind who hired him and what their real motives are. Deadpool's fourth - wall - breaking antics could add a comical yet confusing element to the Naruto characters.
A cool plot could be that a common enemy emerges, one that is immune to Spiderman's usual web - slinging and acrobatic combat, and also resistant to the Phoenix's raw power alone. So, Spiderman and the Phoenix - influenced character (it could be Jean Grey or someone else with Phoenix powers) have to combine their skills and minds to defeat this foe. They start off not getting along well, but as they face challenges, they learn to work together.