When writing a Scarlet Witch crossover fanfiction, you have to be creative. For instance, if you're crossing her over with the world of Game of Thrones, think about how her powers could impact the power struggles in Westeros. Decide on the tone of your story, whether it's dark and gritty or more light - hearted. You can also introduce new characters that are a blend of both universes. And don't forget to edit your work carefully to avoid any plot holes or inconsistent characterizations.
To write a Scarlet Witch crossover fanfiction, start by researching both the Scarlet Witch's lore and the lore of the crossover element. If it's a crossover with the X - Men, consider how her relationship with the other mutants might change. Outline your story, including the beginning, middle, and end. In the writing process, make sure to keep the voices of the characters true. Don't make the Scarlet Witch act out of character just for the sake of the crossover. Also, add some unique twists to the story to make it stand out.
First, you need to understand the Scarlet Witch's character well. Know her powers, her backstory, and her personality traits. Then, choose the other universe or character you want to cross her over with. For example, if it's the Harry Potter universe, think about how her magic would compare to Hogwarts magic. Next, come up with a plot that makes sense for both universes. Maybe she's there to solve a mystery that affects both worlds.