Earlier today, we showed you The Walking Dead Michonne collector's card that AMC is giving away at San Diego Comic-Con 2012 this week. Now, AMC has revealed a special, limited edition poster created specifically for the four-day event. Take a look at this 1-sheet, created by Image Comics artist Greg Capullo, that features a gruesome zombie outside the prison, as used in the show's upcoming Season 3.

<strong><em>The Walking Dead</em></strong> Comic-Con 2012 Poster

You can also CLICK HERE for full details on The Walking Dead panel and autograph session at the Con later this week.