One possibility is that 99 would come to his rescue. She'd be all stealthy and smart, using her martial arts skills and wits. Maybe she'd disguise herself as one of the kidnappers and infiltrate their hideout. Then, she'd find Max and they'd both get out while leaving the kidnappers completely confused.
Well, in a Get Smart kidnapped fanfiction, Max might use his bumbling yet brilliant ways to escape. He could turn some everyday object into a weapon or a tool for escape. For example, his shoe phone could be used to call for backup in a very unexpected way, like using it to short - circuit the lock on his cell.
The plot could involve Max being kidnapped by an old enemy from his past. This enemy might want revenge for something Max did before. His friends at CONTROL then have to race against time to find him. They follow a series of clues, like a mysterious note left at the scene of the kidnapping or a strange signal that Max manages to send out.
One possibility is that Robin, being kidnapped, will have to rely on his own wits and skills he has learned from Batman. He might try to outsmart the Joker by finding weak points in the place where he is held captive. For example, if it's an old warehouse, he could look for ways to escape through the ventilation system or by using some tools he might find around. And the Joker, being the unpredictable villain, could be constantly taunting Robin, trying to break his spirit before Batman arrives.
First of all, the setting of the kidnapping is crucial. Is it in a desolate desert or a crowded city? If it's in a city, there might be more chances for Tim to signal for help. In this fanfiction, the outlaws could also have their own backstories that led them to kidnap Tim. For example, they might think Tim is involved in something that affected their group negatively. As the story progresses, Tim could discover some secrets about the outlaws that could either help him escape or make his situation worse.
Perhaps Itachi sees Naruto as a key to unlocking some hidden power or knowledge. He could be planning to train Naruto in some way, away from the influence of the village. This would be a strange turn of events considering their previous interactions.
Another scenario could be that Loki forms an unexpected alliance while in captivity. He could meet some other captives who have a grudge against Thanos. Together, they could plot against Thanos from the inside. Loki's silver tongue might be able to convince these captives to trust him and follow his lead. They could create a distraction or a mutiny within Thanos' forces, which would give Loki an opportunity to either escape or turn the tables on Thanos.
Well, she could be held in a secret location. Maybe Lopez has some ulterior motives, like getting information from Felicity. He might try to use her skills for his own gain.
In this fanfiction scenario, if Lightning McQueen were kidnapped, perhaps Mater would be the first to notice his absence. Mater could then start a search, rallying all the cars in Radiator Springs. They might look everywhere from the deserts to the highways, following any small clues they can find, like a strange tire mark or a bit of Lightning's paint that was left behind.
Another scenario could be that the kidnappers have some sort of ulterior motive related to Sora's special powers. They might try to extract that power from him, but Sora, being the strong - willed character he is, would fight back in some way, even while being held captive.
Perhaps she'll use her own abilities to escape. Sarada is a strong and intelligent ninja. She could outwit the kidnappers, find a weakness in their security, and make a run for it. For example, she could use her Sharingan to deceive them or find a hidden passage if she's locked in a room.
In such a fanfiction, Sakura might be used by Orochimaru for his experiments. He could be interested in her chakra or her medical knowledge. Maybe he would try to extract some special power from her or force her to assist him in his unethical research.