Dynamite Entertainment's "Warlord Of Mars" #30, available November 27, 2013 is written by Arvid Nelson and illustrated by Rafael Lanhellas, Marcio Abreu, with covers by Joe Jusko and Lucio Parrillo:
"...in 'Red Tears', 'John Carter' is far from home, and his enemies have enslaved the mind of his only ally, 'Tars Tarkas'.
"Carter is left with a brutal choice: kill his greatest friend, or allow Mars to descend into a war that could well destroy the Red Planet..."
Click the images to enlarge and Sneak Peek "John Carter"...