Via Starwars.com:

StarWars.com is excited to reveal Alex Ross’ stunning, fully-painted variant cover to Marvel’s Star Wars: Darth Vader #1. Coming in 2015 from writer Kieron Gillen and artist Salvador Larroca, the series will take place after the events of Star Wars: Episode IV A New Hope, and star the saga’s most iconic villain.

Also revealed here for the first time is the cover to Star Wars: The Original Marvel Years Omnibus Vol. 2, featuring a huge collection of Marvel’s classic  Star Warscomics.