Perhaps in the fanfiction, Wanda falls in love with a fish from a different species. Their relationship is frowned upon by the other fish in the tank, which leads to a whole lot of drama. Wanda has to fight for their love, and they also have to deal with the differences in their biology and instincts, all while trying to keep their relationship a secret from the more judgmental fish.
Well, a plot idea could be that Wanda discovers a hidden passage in the aquarium that leads to an underwater world full of magic and strange creatures. She could then take her friends on a journey through this new world, facing various challenges along the way like solving puzzles to open magical gates or avoiding the traps set by the guardians of this secret place.
One idea could be that Naruto is somehow transported to the Marvel universe and meets Wanda. They could team up to fight a common enemy, like an evil sorcerer who is trying to take over both their worlds. Wanda could use her powers to enhance Naruto's jutsu, creating some really cool visual effects during battles.
For a 'wanda fanfic', a great plot could be Wanda having to train a group of young mutants. She uses her unique powers to help them control their own abilities. As she does this, she discovers new aspects of her powers. There could be a conflict within the group, and Wanda has to use her wisdom as well as her powers to resolve it. This could also lead to her learning more about her past and how her powers originated.
Well, you could write a wanda fanfiction where she has to deal with her powers going out of control in a modern city. This would involve her trying to hide her powers from the public while also trying to regain control. Another idea is to create a story where Wanda goes back in time to change certain events in her past, but discovers that changing the past has unforeseen consequences. And, a simple yet interesting idea could be Wanda having a normal day out, but getting caught up in a minor villain's scheme by accident.
One plot idea could be that Wanda and Shuri team up to create a new type of technology using Wanda's magic. They combine their skills to make a device that can detect threats from other dimensions. Another idea is that they get into an argument over how to handle a powerful artifact that has been discovered. Wanda believes it should be destroyed due to its unpredictable power, while Shuri wants to study it to unlock its secrets.
One idea could be that Cosmo and Wanda's baby discovers a new magical power that no other fairy has. For example, the power to turn inanimate objects into living, talking creatures. This could lead to all sorts of adventures as the baby tries to control this new power and the chaos it causes in the fairy world.
A colorful jellyfish could be a great new character. It could have the ability to change colors based on its mood, and it could be a bit of an enigma. Maybe it comes from a far - off part of the ocean and has some unique powers. Also, a grumpy old catfish could be added. He's always complaining about the young fish and their antics, but deep down he has a heart of gold and ends up helping Wanda in a crucial moment.
Another plot could involve Wanda accidentally getting trapped in one of Tony's experimental virtual realities. Tony has to enter the VR world himself to rescue her. Along the way, they learn more about each other's past traumas and form a deeper bond as they fight their way out.
One plot idea could be Pietro and Wanda exploring their powers further in a world that fears them. They might have to team up with other X - Men to face a new, powerful mutant - hating organization. Another could be a story set in an alternate universe where they have different relationships with the other mutants. For example, Pietro could be more of a loner and Wanda has to convince him to work with the team.
A great plot idea is Wanda having to face off against a new villain who is specifically targeting her because of her powers. This villain could be trying to manipulate her powers for their own evil purposes. Also, a plot where Wanda teams up with other female superheroes from the MCU to form a sort of sisterhood and take on threats that are being ignored by the male - dominated superhero groups. It would show her growth and ability to form new alliances.
Well, a cool plot might be that Wanda accidentally creates a rift in time while trying to master her powers. She then has to team up with a younger version of herself to close the rift before it causes chaos across the multiverse. Or perhaps she forms an unlikely alliance with a villain from the Age of Ultron who has a change of heart. They then work together to stop a new, more powerful enemy that is emerging. Also, a story where she uses her powers to enter the minds of the Avengers and discovers their deepest fears and insecurities, which she then uses to strengthen their bond.