In this fanfiction, there could be a plotline where the Force is explored in a new way. For example, there might be a discovery of an ancient Force ability that could change the balance of power. The relationship between the Rebels and the Imperial defectors could also be a major part of the story. There could be more political intrigue within the Empire as some Imperials see the writing on the wall and try to find a way to side with the Rebels without getting killed by their own comrades.
One possible plotline could be a deeper exploration of the redemption of Vader. Maybe showing more of his internal struggle before making the final choice to turn against the Emperor. Another could be an alternate take on the Ewok battle, with different strategies or even new characters joining the fight on either side.
I think the Emperor could be an interesting character to focus on. In 'Return of the Jedi Redux' fanfiction, we could explore his backstory more. What made him turn to the dark side in the first place? And are there any weaknesses in his seemingly all - powerful grip on the Empire? Also, the Ewoks could be given more depth. Instead of just being the cute but fierce forest dwellers, they could have a more complex culture and history that plays into the story.
In some fanfiction, Anakin as a Jedi Master might be called upon to mediate in a civil war on a major planet. He would have to use his understanding of the Force and his diplomatic skills to bring the two warring factions to the negotiating table. Along the way, he could uncover a hidden plot by the Dark Side to keep the planet in chaos, and he has to stop it while also preventing the destruction of the planet's culture and people.
Obviously, Luke Skywalker could still be a main character. He has a lot of potential for further development as he continues to grow as a Jedi Master. Leia could also be central, as she takes on more leadership roles in the new galactic order. And of course, there's always the possibility of new characters being introduced, like a young Force - sensitive alien who becomes an apprentice to Luke.
A 'Star Wars Rebels Epilogue Fanfiction' might tell the story of how the Rebellion's victory is being commemorated. There could be a grand ceremony on Lothal, with all the main characters in attendance. During this, we could learn more about the characters' inner thoughts and feelings. For instance, Ezra might be reflecting on his time away and how much he has missed his friends. Or, it could show the characters adapting to a more peaceful life. Sabine might find it hard to let go of her warrior ways at first, but gradually learns to embrace a new role in the rebuilding of the galaxy.
Maybe the sister is a hidden Jedi. She and Rey meet by chance and then they team up to find an ancient Jedi artifact that could save the galaxy from a new threat. They face off against various enemies, including some Sith cultists.
One idea could be exploring the backstories of the Ewoks in more detail. Maybe there was a great Ewok hero before the events of Return of the Jedi that inspired their fight against the Empire. Another could be a story about Luke Skywalker's further training with the Force immediately after the movie. He could discover new Force abilities.
Well, it might continue Cal's journey in exploring more of the Force mysteries. Maybe he'll face new and more powerful enemies, like some ancient Sith lords. He could also travel to new planets to find hidden Jedi knowledge.
One key theme is redemption. Darth Vader's journey towards redemption is central. Another is the battle between good and evil, with the Rebels representing good and the Empire as evil. Also, the theme of friendship and loyalty is present as the characters work together to defeat the Empire.
One plotline could be Guri going undercover in a criminal syndicate. She has to blend in and gather information about their illegal activities without being detected. Another could be Guri being hunted by a powerful bounty hunter. She has to constantly stay one step ahead, using her knowledge of the galaxy's underworld to evade capture.
Well, one possible plotline could be the integration of Marvel's superheroes into the Star Wars universe. For example, Iron Man could bring his advanced technology to help the Rebel Alliance in their fight against the Empire. Maybe he could upgrade their ships or create new weapons. Another could be that the Force-sensitive characters in Star Wars interact with Marvel's magic - using the Force in ways similar to how magic is used in the Marvel universe.