The Walking Dead, Vol. 8 by Robert Kirkman

Kirkman and artist Jason Howard created the Image series The Astounding Wolf-Man, launching it on May 5, 2007, as part of Free Comic Book Day. He soon became a mainstay at Marvel, writing, among other titles, Captain America vol. Kirkman's work for Marvel Comics has included a revival of the 1990s Sleepwalker series it was canceled before being published, with the first issue eventually included in Epic Anthology #1 (2004). Moore continued to draw covers until Issue 24 as well as the first four volumes of the trade paperbacks for the series. Moore, himself struggling to keep deadlines, was replaced by Charlie Adlard, beginning with Issue #7. Shortly after the launch of Invincible, Kirkman and Moore began The Walking Dead (2003), a series set in a world inspired by George A. In 2005, Paramount Pictures announced it had bought the rights to produce an Invincible feature film, and hired Kirkman to write the screenplay. Walker later failed to meet the monthly title's deadlines and was replaced by Ryan Ottley. The story surrounded the adolescent son of the world's most powerful superhero, who develops powers and starts his own superhero career. In 2003, Kirkman and Walker created Invincible for Image's new superhero line. Su created the 2002 Image series Tech Jacket, which ran six issues. While working on that book, Kirkman and E.J. Later, while pitching a new series, Science Dog, Kirkman and artist Cory Walker were hired to do a SuperPatriot miniseries for Image Comics.

Robert Kirkman's first comic book work was Battle Pope (2000), a superhero parody co-created with artist Tony Moore and self-published under the Funk-O-Tron label.

The Walking Dead, Vol. 8 by Robert Kirkman