Star Wars Rogue One: 37 Easter Eggs & References You Must See

Jyn and Cassian make it to the Imperial archives and begin searching for the Death Star's plans, and among the things they find is an entry called "Black Sabre", which is likely a reference to the Darksaber, a black-bladed lightsaber seen in the Clone Wars and Rebels TV shows, not to mention a number of Expanded Universe comics.

Though it seems unlikely we'll actually see the weapon in any of the new movies, it's a fun nod all the same.