The film Shaun of the Dead has been adapted into a comic book twice.
Contents
2000 AD
2000 AD produced a Shaun of the Dead strip called "There's Something About Mary" which was written by Simon Pegg and Edgar Wright, with art by Frazer Irving. It was published as part of the run up to the film and followed Mary, the first zombie, and other characters.
The DVD extras include the 2000 AD strip (in "Zombie Gallery" within the "Raw Meat" section) by Irving, and three new strips, drawn by Oscar Wright and narrated by the characters, which fill in the plot holes (in, appropriately, "Plot Holes" within the "Missing Bits" section).
IDW Publishing
IDW Publishing produced a comic book adaptation of the film, written by IDW's editor-in-chief Chris Ryall and drawn by Zach Howard. It was published as a four-issue mini-series in 2005.