The film which is due to be released the December - official title Rogue One A Star Wars Story - is set to finish 10 minutes before the start of the original Star Wars movie.
What capacity The Dark Lord of Sith will appear is not yet known.
Darth Vader is BACK! ???? Here's everything you need to know about �@StarWars: #RogueOne': https://t.co/v0SqlkwYfU pic.twitter.com/otXmZGonEU
— Entertainment Weekly (@EW) June 22, 2016