Thanks to the fine folks at DC Comics and AMC Network, fans can get a copy of “Preacher” #1 for absolutely free so be sure to ask your local comic book shop for one when you go to pick up your weekly haul on Wednesday. The series was a compelling read for the Vertigo Comics imprint of the company and was written by Garth Ennis with art by Steve Dillon and painted covers by Glen Fabry. It was…