One plot idea could be that Cinderella is kidnapped by an evil sorcerer who wants to use her beauty for a dark spell. Her fairy godmother then has to enlist the help of the animals she befriended to rescue her. Another idea is that Cinderella is kidnapped by a jealous rival from another kingdom who wants to take her place at the prince's side. The prince then sets out on a heroic quest to find and save her. A third plot could involve Cinderella being kidnapped by a group of bandits who mistake her for a wealthy noblewoman, and she has to use her wits to escape.
Well, for a Cinderella kidnapped fanfiction, perhaps she's kidnapped by a witch who saw how much attention Cinderella got at the ball. The witch wants to steal Cinderella's charm for herself. Cinderella's friends, like the mice and the birds, could then try to find the prince to tell him what happened. The prince, of course, would immediately start a search. Or maybe she's kidnapped by a disgruntled servant from her own household who was jealous of her new - found status. This could lead to a story about Cinderella having to rely on her own strength and kindness to befriend her captor and eventually escape.
One plot idea could be that Elsa is kidnapped by an evil sorcerer who wants to use her ice powers for his own dark deeds. The heroes from her world then have to embark on a journey to rescue her. Another could be that Elsa is kidnapped by a group who think her powers are a threat and they plan to keep her locked away forever. However, her sister Anna discovers her whereabouts and tries to free her.
One plot idea could be that Todoroki is kidnapped by a villain who wants to use his powerful quirk for their own evil plans. His friends then embark on a dangerous rescue mission. Another could be that it was a case of mistaken identity and Todoroki has to figure out how to escape while also dealing with the kidnappers' demands. Or perhaps Todoroki is kidnapped by a group who wants to study his unique genetic makeup related to his quirk.
One plot idea could be that Peter is kidnapped by an unknown group and Michelle sets out to rescue him. She could use her wits and some detective skills she has learned over time. Maybe she teams up with some of Peter's friends from school or work.
Another plot could be that Rapunzel is kidnapped by a mysterious figure from her past that she doesn't remember. As she's held captive, she starts to have flashbacks of her early childhood and discovers secrets about her family. Meanwhile, Flynn Rider and the others are on a frantic search for her, and Rapunzel has to find a way to signal them while also dealing with the revelations about her past.
Well, perhaps Katara is kidnapped by a bounty hunter who has been hired by someone who has a vendetta against the Avatar's team. The kidnapper could be taking her to a far - off and desolate location. Then, Aang and the others have to track her down through various difficult terrains. Or, it could be that she's kidnapped by a group of dark benders who want to study her waterbending to find a way to corrupt it. They might keep her in an underground lair filled with all sorts of dark magic - like contraptions.
One idea could be the protagonist discovers a hidden power within themselves while being held captive by the demons. This power could be the key to their escape or a way to turn the demons' own plans against them.
In a fanfiction plot, Jamie could be kidnapped by a deranged fan of one of his cases. This person idolizes the criminals he's caught and wants to make Jamie pay. The Reagan family races against time to find him before the kidnapper's twisted plan is carried out. Meanwhile, Jamie tries to use his wits and training to escape or at least hold out until rescue comes.
In some fanfiction scenarios, she could be kidnapped by a time - traveling villain who comes from a future where she has caused a major change that they don't like. So they go back in time to stop her by taking her out of the equation. Another idea is that she is kidnapped by a group of outcasts who think that by having her, they can finally gain acceptance in the ninja world. They hold her hostage and demand that the villages give them certain rights and privileges in exchange for her safe return.
One plot idea could be that Sasuke kidnaps someone he believes has information about a hidden enemy. He then has to deal with the moral implications as he realizes the person is innocent. Another could be a love - driven kidnapping, where Sasuke kidnaps someone he secretly loves but is too conflicted to show it in a normal way. And perhaps a third idea is that Sasuke is forced to kidnap someone under a mind - control spell and has to fight against the control to free the victim.
One plot idea could be that the 'kidnapping' is a misunderstanding. Maybe a group of over - enthusiastic fans accidentally create a situation that looks like a kidnapping. For example, they surround Tom Holland in a chaotic scene at a fan event, and in the commotion, he gets separated from his security and ends up in a locked room with some fans, which is misconstrued as a kidnapping.