Darth Vader 4

Darth Vader 4: Vader, Part IV is the fourth issue of the Marvel comic book series Star Wars: Darth Vader and the fourth of six issues in the series' first story arc. The comic, written by Kieron Gillen with art by Salvador Larroca, was released on April 8, 2015.

Publisher's summary

 * Revenge of the Battle Droids???
 * Vader returns to Geonosis to build his army!
 * The Dark Lord's ascension continues!