One possible fanfiction could involve Marco being kidnapped by an enemy from a rival group. His friends then embark on a dangerous mission to rescue him. They might face various challenges and puzzles along the way, like in a mystery - adventure type of story.
In some fanfictions, Marco could be kidnapped because he has some special power or knowledge that the kidnappers want. For example, if he has a unique ability to communicate with a certain species in the fictional world. His captors might try to force him to use this power for their own evil purposes, and the story could revolve around his struggle not to give in and his friends' attempts to free him.
You can start by looking on popular fanfiction websites such as Archive of Our Own (AO3). It has a large collection of fanfictions from various fandoms, and you can use the search function to look for stories specifically about Marco being kidnapped. Just type in relevant keywords like 'Marco' and 'kidnapped' in the search bar.
Star would be a likely candidate to rescue Marco. She has strong magical abilities and a deep friendship with Marco. She would stop at nothing to find him and bring him back safely.
I'm not sure specifically if there is a fanfiction solely about Gray Fullbuster being kidnapped. There are so many fanfictions in the Fairy Tail fandom, and while kidnapping plots are common, it might be a bit rare to find one that focuses only on Gray in this situation. You could try searching on major fanfiction websites like Fanfiction.net or Archive of Our Own.
As of now, no. The main storylines don't cover this aspect. But it could be an interesting plot for fan fiction.
One possible plot could be that Tom kidnapped Marco out of jealousy. Maybe he saw Marco getting too close to Star and decided to take matters into his own hands. He might take Marco to a far - off dimension where Marco has to figure out a way to escape while also dealing with Tom's insecurities.
Well, in a fanfiction where Deidara is kidnapped, it could be that he is taken by a mysterious figure who is actually a long - lost relative or someone with a personal connection to his past. This person may believe that by kidnapping him, they can force Deidara to face his forgotten history or make amends for past wrongs. This could lead to a lot of internal conflict for Deidara as he tries to figure out who this person is and what they really want from him.
One interesting 'Marinette kidnapped' fanfiction could be where she is kidnapped by an akumatized villain. In this type of story, the other characters like Chat Noir would have to go on a wild rescue mission. They might face various obstacles and challenges along the way, making for an exciting plot.
One great fanfiction could be where Hope is kidnapped by an old enemy of the Mikaelson family who wants to use her power for their own gain. The story might then follow her friends and family as they race against time to rescue her, with lots of action-packed scenes and emotional moments.
In a certain fanfiction, Leo is kidnapped by a group of mutants who want to use his skills for their own purposes. The story not only focuses on the rescue mission but also on Leo's internal struggle as he tries to resist his captors' demands.
One interesting 'Beth kidnapped' fanfiction could be one where she's kidnapped by a mysterious group and her friends have to embark on a quest to rescue her. They might face various challenges along the way.