Star Wars: Darth Vader Vol. 2: Shadows and Secrets (Darth Vader (2015-2016))
Collects Darth Vader (2015) #7-12.

Bounty Hunters on the attack--against the Empire! Vader has a new mission to do for the Empire. Unfortunately, it's completely at odds with his own mission. What's a Dark Lord to do? Plus: Who is Tagge's mysterious new agent?