COVER O: New York Comic Con & Previews Exclusive Variant Cover by Charlie Adlard. Cover (W) Robert Kirkman (A) Charlie Adlard, Cliff Rathburn (CA) Charlie Adlard, Dave Stewart ALL-OUT WAR BEGINS! The biggest storyline in WALKING DEAD history - just in time to celebrate the 10th anniversary of the series! It's Rick versus Negan with a little help from everyone else!