Well, in this 'tsuna gets kidnapped fanfiction', it could be that Tsuna manages to outwit his kidnappers in some clever ways. Maybe he uses his wits to create distractions and escape on his own before his friends even arrive. For example, he could pretend to be sick or injured to lower the kidnappers' guard and then make a run for it when they least expect it.
In the 'tsuna gets kidnapped fanfiction', perhaps his friends would immediately start a rescue mission. They might use their unique skills and powers to track down where Tsuna is being held.
In fanfiction, if Deku gets kidnapped, his friends from U.A. High would likely launch a rescue mission. Bakugo might be especially determined, as much as he tries to hide his concern. They would use their quirks in creative ways to track Deku down.
In fanfiction, if Naruto gets kidnapped by Akatsuki, he might be used as a bargaining chip. The Akatsuki could try to exchange him for something valuable like the Nine - Tailed Fox's chakra. Or they might try to extract the Nine - Tails from him forcefully. Naruto would surely put up a fight though, using his Rasengan and other jutsu.
In 'the host club gets kidnapped fanfiction', there could be a lot of drama. The kidnappers might have some specific demands related to the host club's popularity or money. The club members might face internal conflicts as well, like some blaming others for getting them into this situation. However, they would also have their loyal customers or friends outside who might start a search for them, leading to a race against time to rescue the host club before something bad really happens.
Well, it could lead to a lot of chaos. Maybe Nico's friends from his own universe would try to rescue him. The Avengers might think he's a threat at first, but then realize they've made a mistake. It could also result in some interesting power clashes as Nico has his own set of powers and abilities.
Well, in most cases, his friends would likely try to rescue him. Sasuke might put aside his differences for a while and join forces with Sakura and the others. They'd probably start by gathering information about the council's motives and the location where Naruto is being held.
It could be a rival family who wants to use Tsuna as a bargaining chip against his own family.
In a 'Paw Patrol Chase gets kidnapped' fanfiction, there could be a lot of drama. Maybe the kidnapper has a grudge against the Paw Patrol and specifically targets Chase. The Paw Patrol would have to face many challenges during the rescue. They might need to solve puzzles or overcome traps set by the kidnapper. And Chase, while kidnapped, could try to find a way to leave clues for his friends to find him.
Well, in such a fanfiction, the other characters like Steven and the Crystal Gems would likely go on a rescue mission. They'd use their powers to track her down. Steven might use his shield to protect them during the search, and Pearl could use her spear skills. Garnet would probably be leading the way with her future vision to find Amethyst as quickly as possible.
One possible fanfiction plot could be that Hiro gets kidnapped by an evil tech - based organization that wants to force him to work for them. They see his genius in robotics and want to use it for their malicious purposes. Hiro, being kidnapped, would first be in shock but then quickly start to plan his escape. He might try to hack into the organization's systems using his miniaturized tech gadgets that he always has on him. His friends would eventually find the location of the hideout through a combination of Baymax's detective work and some lucky breaks.
In a 'l gets kidnapped fanfiction', there could be a lot of drama. Maybe his friends would start a search mission right away. They might follow some small clues like a piece of cloth from his clothes left at the scene.