G.I. Joe, volume 3 # 12 (IDW Comics 2013)

The Secret History of COBRA.
In the aftermath of COBRA's New York attack, Baroness leads a new up-and-coming officer called Siren around the world-and into the past.
Siren uncovers the secrets of the previous COBRA Commanders and comes face-to-face with the ruthless current one.

G.I. Joe, vol. 3 # 12 is written by Paul Allor with art by Alex Cal  and others and a cover by Steve Kurth.

G.I. Joe, vol. 3 # 12 is a 32 page comic book in full color and rated T.