When writing a 'oc jean grey fanfic', consider the themes you want to explore. If you want to explore themes of friendship, you could write about how the OC and Jean Grey become close friends despite their differences. If it's about power and responsibility, show how both characters handle their powers in different situations. Also, don't forget about the setting. The X - Men world has a lot of interesting locations like Xavier's mansion and Asteroid M. Incorporate these into your story to make it more immersive. And of course, give your OC a distinct voice and personality so that they stand out in the story alongside Jean Grey.
To write a 'oc jean grey fanfic', start by getting to know the X - Men universe really well, especially Jean Grey's character. Read the comics, watch the movies. Then, when creating your OC, make sure they are a believable addition to this world. You can start with a simple idea, like the OC being a new student at Xavier's school and forming a friendship with Jean. As you write, focus on their interactions, their conversations, and how they grow together throughout the story. You can also add some action scenes, like when they face off against a common enemy. It's all about creating a unique and engaging story that fans of Jean Grey will enjoy.