There might be. Fanfiction often takes beloved characters like Dick Grayson and puts them in unexpected situations. A 'Dick Grayson kidnapped' fanfiction could also involve him being abducted by a new, original villain created by the fanfiction author. This new villain could have unique motives and powers, leading to a completely different kind of story compared to the traditional Batman storylines. It gives fans a chance to see how Dick Grayson would react in such a dire situation and how his friends and allies would rescue him.
Sure. Some fanfictions could focus on the emotional and psychological aspects of Dick Grayson being kidnapped. For example, it could explore his thoughts while in captivity, his memories, and how he tries to keep his spirits up. Maybe he uses his detective skills and acrobatic abilities to try and escape even in the most difficult circumstances. There could also be a sub - plot about the people searching for him, like his fellow Titans or Batman, and their determination to find him.
He could rescue himself. Given his training and abilities, he might find a way to overpower his parents and escape.
In this kind of fanfiction, perhaps the parents have some ulterior motives. Maybe they are being controlled by some dark force. Dick Grayson would surely try to escape using his skills and intelligence. He might also try to figure out why his parents are doing this to him.
He could use his acrobatic skills. Dick Grayson is known for his amazing physical abilities. He might be able to swing from Poison Ivy's vines and make his way out of her lair.
Another possibility is a new villain who has emerged and sees Roy and Dick as symbols of the superhero establishment that he wants to undermine. This new villain could be someone with a grudge against the way heroes operate in general and thinks that by kidnapping them, he can make a statement.
Another possibility is that Poison Ivy was hired by one of Dick Grayson's enemies. They want to use Poison Ivy's skills to capture him and then extract information from him, like the identities of other heroes or the location of the Batcave. So, his kidnapping could be part of a much larger and more devious plot.
One common plot element is the rescue mission. His friends or family, like Batman or the Titans, will often start a search to find him. Another element could be Dick Grayson trying to escape on his own using his combat skills and wits. Sometimes, there might be a mystery aspect, such as why he was kidnapped in the first place and what the kidnapper really wants from him.
One possible plot twist could be that they were actually set up to be kidnapped by a former ally who has turned against them for some personal vendetta. Maybe this ally blames them for a mission gone wrong in the past and wants to make them suffer.
The villain could be a jealous ice - mage who wants Elsa's powers all to himself. He sees Elsa as a threat to his own dominance in the world of ice magic.
A rogue ninja from another village who is jealous of Ino's talents and the reputation of her village could be the villain. This ninja might think that by kidnapping Ino, they can bring down the morale of her village and prove their own superiority.
In a more fantastical setting, it could be a magical being who has some sort of vendetta against Peter or Michelle. Maybe they accidentally disrupted some magical ritual or offended the being in some way, and now the being wants to use their kidnapping as a form of punishment or to get something from them.