Iron Man 2.0 vol. 01 - Palmer Addley is Dead (2011) (digital TPB)

Collects Iron Man 2.0 #1-7.
New mission! New armor! New Iron Man! Lt. Col. James Rhodes is War Machine--the single most advanced one-man weapon of conventional combat. But wars aren't fought the way they used to be...and when Rhodey has to face a mysterious enemy he's going to be forced to evolve into Iron Man 2.0.