There could be. A lot of fan - fic writers like to create crossovers between different universes. Elsa from 'Frozen', the Creeper from Minecraft and Spiderman are all very popular characters, so it's possible that someone has written a story involving them. However, it might not be very common given how different their worlds are.
Well, in such a fanfic, the story could start with Elsa getting magically transported to the Minecraft world. There, she encounters a Creeper. Meanwhile, Spiderman, through some sort of interdimensional rift, also ends up there. The Creeper could be a misunderstood creature, and Elsa's powers and Spiderman's agility could be used to communicate with it and find a way to get back to their respective worlds. It could also involve a battle against an evil entity that is trying to take over the Minecraft world and use it as a portal to other universes.
Elsa's ice powers and Spiderman's web - shooting could create some interesting combinations. For example, Spiderman could use his webs to swing around Elsa's ice structures, giving him new vantage points in a fight. Also, Elsa could freeze water in the air and Spiderman could attach his webs to the ice formations for extra mobility.
Definitely not. Creating or having such cartoons is unacceptable. They go against the positive image of these characters and are not suitable for any audience.
Well, it could be about Spiderman getting transported to Elsa's world. Maybe he helps Elsa deal with some new threats in Arendelle using his spider - powers. For example, a new villain emerges who can freeze the whole town and Spiderman's agility and web - slinging skills are needed to stop this villain from causing more harm while Elsa tries to control her powers to unfreeze the people and places already affected.
A third storyline could involve a scientific experiment gone wrong that somehow links Elsa's magic and Spiderman's powers. This causes them to be able to share each other's abilities temporarily. They have to learn to control these new combined powers while also facing a villain who wants to use this power - linking phenomenon for his own evil purposes.
At first, they might be cautious around each other. Spiderman is used to his own world of crime - fighting, and Elsa is used to ruling Arendelle. But as they face challenges together, like fighting a common foe, they start to respect each other's skills. They could develop a friendship based on mutual admiration for their unique powers.
One idea could be a story where Spiderman has to team up with his greatest enemies to fight a new, more powerful threat from outer space. This would force him to put aside his differences and find common ground with the likes of Doctor Octopus and Green Goblin.
In a 'anna elsa x mother fanfic', the mother could be a central figure in resolving the conflicts between Anna and Elsa. Maybe she was lost long ago, but through some magical means, she comes back in a form to guide them. This could add a new layer of emotional depth to their story, as they deal with both the joy of having their mother back and the challenges of following her advice in a world that has changed since she was last there.