One common theme is the exploration of their different powers and how they complement each other. For example, Oliver's combat skills and Kara's superpowers can be combined in unique ways in the stories.
One idea could be a story where Barry, Kara and Oliver team up to face a powerful new villain that none of them could defeat alone. They have to learn to combine their powers and skills in a unique way.
Alex Danvers should be in it. As Kara's sister, she would be very protective and could have some interesting interactions with Oliver. She could also offer her military and strategic skills to the team, and her presence would add more depth to the story as it shows Kara's family dynamic.
One popular 'Oliver x Kara' fanfiction might be 'The Meeting of Two Worlds'. It delves into how Oliver and Kara from different universes come together and form an unexpected bond. The story is filled with great character interactions and exciting plot twists.
One great 'Earth X Kara and Oliver fanfiction' might be the one where they team up to fight a common enemy from Earth X. In this story, Kara's super strength and Oliver's archery skills combine in a really cool way.
One idea could be a story where Oliver Queen finds himself in Kara's universe by some sort of multiverse accident. He teams up with Kara to fight a common enemy that is causing chaos in both their worlds. Their different fighting styles, Oliver's more grounded archery and hand - to - hand combat and Kara's super - powered abilities, would make for an interesting dynamic in battles.
A good plot could be that Oliver is framed for a crime he didn't commit in Kara's world. Kara, believing in his innocence, decides to help him clear his name. As they dig deeper into the conspiracy, they discover that there is a powerful villain behind it all who wants to destroy both their reputations. They have to use their combined skills, Oliver's detective skills and Kara's super - senses, to expose the truth.
To write a 'Earth X Kara and Oliver fanfiction', it's important to do some research on the existing lore of Earth X. Look at how other writers have portrayed it. For the characters, think about how they would act differently in this new setting. Maybe Kara is more jaded on Earth X or Oliver has a different set of moral codes. Then, create a conflict that only they can solve together. It could be something related to the power structure on Earth X or a new villain that is specific to that world.
Another plot twist could be that Kara discovers she has a long - lost relative who is somehow connected to Oliver's family. This revelation could change the dynamics between them as they try to figure out the implications of this new connection and how it might affect their relationships and their superhero work.
One possible plot could be that Kara and Oliver meet during a superhero crossover event. They initially start as friends, but over time, their relationship deepens into love. When they find out Kara is pregnant, they face challenges. Oliver has to balance his duties as a hero in Star City while also being there for Kara. They might also face opposition from their respective friends and allies who worry about how a baby will affect their superhero lives. But through it all, their love for each other and their unborn child gives them the strength to overcome these obstacles.