'68 is a monthly comic book series created by writer Mark Kidwell, and published by Image Comics about a zombie apocalypse set in 1968 during the Vietnam War and the peace movement against the war. The stories follow the survivors, both military and civilian, in both Vietnam and the United States. The series is marketed as various limited series for each story or one-shots. The origin of the comic dates back to 2006 when the comic simply titled '68 was published. The ongoing series started in April 2011 and the original 2006 issue was republished in October of that year as the Encore Edition.