Another possibility is a crossover with 'The Chronicles of Narnia'. The children from Narnia could enter the chocolate factory. They might be amazed by the talking candies and the different rooms. And perhaps Willy Wonka could create a special chocolate that has the power to transport you to Narnia, creating a connection between the two magical worlds.
In a crossover with 'Peter Pan', Peter himself would be a great addition. He could fly around the chocolate factory, causing mischief among the Oompa - Loompas. Wendy could also be there, and she might befriend Charlie and help him understand some of the more complex parts of the factory. Tinker Bell could add some magic sparkles to the already magical environment.
One idea could be a fanfic where Charlie Bucket discovers a long - lost recipe of Willy Wonka that leads to a new kind of magical candy. Another could be about the Oompa - Loompas' backstory before they came to work in the factory. Maybe a fanfic where a new character enters the factory and has a unique adventure, like finding a secret room full of candies that can grant wishes.
One interesting crossover could be the use of magic candies from Willy Wonka's factory in the wizarding world of Harry Potter. For example, a fanfic might have a situation where a character finds a Wonka candy that gives them a special magical ability, like the ability to speak to animals, which could be a really fun and unique addition to the magic already present in the Harry Potter universe.
One idea could be a crossover between MLP and a popular fantasy series like Lord of the Rings. Ponies could take on the roles of hobbits, elves or dwarves in an adventure to save Equestria from a Sauron - like villain. Another could be a crossover with a superhero universe, where ponies gain superpowers and fight against evil forces. Maybe a crossover with a classic fairy - tale world, like Wonderland from Alice in Wonderland, and ponies have to navigate through the wacky and strange world.
One idea could be a Godzilla crossover with King Kong. They could have an epic battle and then team up to fight a common enemy like a giant alien monster. Another could be a crossover with the Power Rangers. Imagine Godzilla helping the Rangers take on a really powerful villain. Or a crossover with the Transformers, where Godzilla and the Autobots have to deal with a threat that endangers both their worlds.
One idea could be that Charlie discovers a long - lost recipe of Willy Wonka's that leads to a new type of magical candy. This new candy could have the power to make people see their fondest memories. Charlie then has to protect this recipe from a rival chocolatier who wants to steal it and use it for their own gain.
One interesting idea could be a crossover with 'Lord of the Rings'. Imagine Harry and his friends in Middle - earth, facing the dark forces there. They could learn new magic from the wizards in Middle - earth or teach their own brand of magic. Another idea is a crossover with 'Percy Jackson'. The demigods and the wizards could team up to fight a common enemy that threatens both the magical and the mythological worlds. Maybe they'd have to combine their powers and strategies.
A cool Zero Escape crossovers fanfic idea could involve time travel. Have characters from different Zero Escape games meet in a time - distorted scenario. They could use their unique skills and knowledge to figure out how to escape this strange time - locked situation. You could also do a crossover with a detective - themed TV show. The Zero Escape characters would team up with the show's detectives to solve a mystery that spans across their different worlds. And for a more comical take, a crossover with a wacky cartoon. The serious Zero Escape characters would be in for a wild ride as they deal with the zany antics of the cartoon world.
A 'Star Wars crossovers fanfic' might involve a crossover with the Marvel universe. For instance, the Jedi could team up with the Avengers. Luke Skywalker and Captain America could lead their respective teams in a battle against a common enemy. It would be really exciting to see lightsabers and superpowers in one story.
One idea could be exploring the backstory of the Oompa - Loompas. Maybe they had a life before coming to the chocolate factory that was full of adventure. Another could be a story where Charlie Bucket has to save the factory from a new, mysterious threat that even Willy Wonka can't handle on his own. And also, a fanfiction about a new character who enters the factory during one of the tours and has a special power that affects all the magical candies.