Well, first off, Deathstroke is a formidable foe. If he kidnaps Robin, he might try to extract information from him about Batman's weaknesses. Robin, being loyal, would of course resist. It could lead to a physical and mental battle between the two.
One possible fanfiction plot could be that Deathstroke kidnaps Robin to use him as bait for Batman. He wants to lure Batman into a trap and finally defeat him. Robin, being the resourceful sidekick, leaves behind small clues for Batman to find him, adding an element of mystery and suspense to the story.
Well, Loki might kidnap Darcy because he sees her as an interesting specimen. He is a complex character who is always intrigued by things that are different or that he can use to his advantage. Darcy, with her sharp mind and unique perspective, could be something he wants to study or manipulate.
Robin could use his intelligence to analyze Deathstroke's lair and find a weakness in its security system. He might notice a pattern in the guards' patrols or a flaw in the locking mechanisms. Then, he could use his acrobatic skills to create a distraction and slip away unnoticed.
Well, they might start off by fighting each other. Deadpool with his unpredictable and crazy fighting style and Deathstroke with his highly trained combat skills. It could be a really intense battle.
One possible plot twist could be that Robin has been secretly trained in a new combat technique that he uses to outwit Deathstroke when Deathstroke least expects it. Maybe he pretends to be more injured or helpless than he really is, and then strikes back at a crucial moment.
Well, in such a fanfiction, perhaps they could be kidnapped by a super - villain who wants to use their powers for evil. The story might then focus on their attempts to escape and the challenges they face while being held captive.
To create a believable relationship, start with their fundamental differences. Robin is a hero, and Deathstroke is a villain. They could be initially at odds, constantly trying to outwit each other. But then, introduce some common ground, like a shared enemy or a mutual respect for each other's combat skills. This can slowly build a complex relationship.
In the fanfiction, Felicity with her hair in a bun might find a way to escape on her own. Since her hair is in a bun, she could use the hairpin or ribbon in it to pick a lock or create a distraction. Once she escapes, she has to evade the kidnappers' search parties while trying to find her way back to safety. Along the way, she might meet some unexpected allies who are drawn to her because of her unique appearance, including her bun.
In this Peter Pan fanfiction scenario where Jane is kidnapped, the situation could be very complex. It could be that the reason behind the kidnapping is related to some power struggle in Neverland. If so, Peter Pan would not only be rescuing Jane but also getting involved in a bigger conflict. He might have to make alliances with some unlikely characters in order to get Jane back. For instance, he could team up with some of Hook's men who also don't want to see the power balance in Neverland disrupted by this kidnapping. And during the rescue, there could be many emotional moments as Peter realizes how important Jane has become to him and to the safety of Neverland as a whole.
One possibility is that Hermione manages to talk some sense into her parents and they release Hedwig. This would require her to explain the importance of Hedwig to Harry and the fact that she is just a normal owl in the wizarding world.