Mara Jade is a popular character from The Star Wars expanded Universe(which was the books and comic books the stake place after return of the Jedi the there made before Disney got the rights and mad them non canon). She is the Emperor's right hand assassin. She was on a mission for him when he died but received his last command to Kill Luke Skywalker. During this time the rebellion is also fighting the Imperial Grand Admiral Thrawn, who despite the Empire's weakened forces is a skillful strategist enough to pose a serious threat. Over the course of the conflict with Thrawn Mara Jade reluctantly has to work with Luke Skywalker to defeat a dark Jedi Thrawn recruits and a clone of Luke Skywalker made form the recovered hand Luke lost in his fight with Vader. Mara Jade kills the clone(technically fulfilling her promise to the Emperor). After this Mara Jade reforms, falls in love with Luke and the two get married. She is later killed when Han Solo and Leia's son Jacen Solo turns to the dark side and begins killing Luke's students.(This idea was reused for the Force Awakens) While Mara puts up a fight she is killed by Jacen Solo.



I for one like to believe she is still canon as Luke's wife until the movies say otherwise, just that she was killed by Kylo instead of Jacen. In the comics recently we saw robots going around and giving commands to people with a recording of the Emperor before he died. Thrawn in now in Star Wars Rebels(set before episode 4) but another situation may have occurred.



In the universe of this work, I imagine Twilight as Luke Skywalker,Celestia as Obi Wan and Nightmare Moon/Luna as Darth Vader/Anakin. I'm okay with this since I've been getting a lot of shipping vibes from certain scenes between Twilight and Sunset.