Well, at first, the relationship would likely be very tense. Batman is a brooding, serious hero, while Killer Frost is often more self - centered and King Shark is, well, a shark - man with a more primal nature. But if they were forced to work together on a mission, they might start to respect each other's abilities. Batman would come to appreciate Killer Frost's power over ice and her cunning, and King Shark's raw strength. Over time, they could form a sort of begrudging friendship where they rely on each other in tough situations.
One plot idea could be that Batman has to team up with Killer Frost and King Shark to stop a new super - villain in Gotham. Maybe this villain has the ability to control the weather and is using it to cause chaos. Killer Frost could use her ice powers to counter the extreme weather, while King Shark's brute strength helps in physical battles against the villain's minions. Batman, of course, would be the master strategist coordinating their efforts.
Another theme might be redemption or self - discovery. Maybe King Shark is trying to find a new purpose in life and Killer Frost helps him in that journey, and vice versa. They could be on a path to becoming better versions of themselves while falling in love. In some fanfictions, they might also face prejudice due to their appearances or powers, and they fight against that together.
In some fanfictions, their relationship evolves into a sort of begrudging respect. Batman realizes that Killer Frost has her own code, and Killer Frost sees that Batman is not just a do - gooder but a complex person. They start to work together on small tasks, like rescuing hostages in a situation where Killer Frost's powers are useful.
At first, it might be a bit rocky. Spiderman is used to his own way of doing things, and Batman has very strict rules. But over time, they would start to respect each other. Spiderman would learn from Batman's detective skills, and Batman would come to appreciate Spiderman's agility and quick thinking.
It could start with mutual admiration. Jack might be intrigued by Elsa's ability to control ice on a large scale. Elsa, on the other hand, could be fascinated by Jack's carefree nature. As they spend more time together, they start to fall in love and decide to get married.
The relationship could develop in a rather tumultuous way. Jack might be too forward at first, which scares Elsa. But then he realizes his mistake and tries to be more gentle. Elsa, on the other hand, is constantly worried about her powers being discovered. Jack helps her to be more confident about it. They could have a big fight when Elsa finds out that Jack told a friend about her powers in a moment of weakness. But eventually, they make up and their relationship becomes stronger as they learn to trust each other more.
In an Injustice fanfiction, their relationship might develop through conflict at first. They have different views on how to handle the chaos in the world. However, as they face greater threats together, they begin to understand each other better. For example, when they are up against a powerful new villain that neither could defeat alone. This shared experience could lead to a stronger bond between them, evolving from grudging allies to close friends or even something more romantic depending on how the story unfolds.
At first, their relationship might be a bit rocky. Loki is used to his own schemes and Jack Frost has his own way of doing things in the winter realm. But as they interact more, they start to see the good in each other. Loki realizes that Jack Frost's cold exterior hides a kind heart, and Jack Frost sees that Loki's mischief is often a cover for his insecurities. They start to share their powers and knowledge. For example, Loki teaches Jack Frost some Asgardian magic, and Jack Frost shows Loki how to control ice in new and interesting ways. This sharing and mutual growth strengthen their relationship over time. They also start to defend each other against any threats or negative opinions from others, which further cements their bond.
The relationship could also lead to a transformation in Killer Frost. With Barry's influence, she might start to show more of her human side and less of the cold - hearted Killer Frost. They might start working together more often, and Barry could be teaching her about compassion and love, which in turn strengthens their bond.
When looking for 'King Shark x Killer Frost fanfiction', keep in mind that different authors will have different interpretations. Some might write a more comical take on their relationship, like King Shark being completely clueless about Killer Frost's cold demeanor at first, and through a series of humorous events, they end up together.