The Wizard World Ohio Comic Con, formerly known as Mid-Ohio Con, is a comic book convention held during the fall in Columbus, Ohio, United States, at the Greater Columbus Convention Center. Initially held in early November, from 1994–2007 the Mid-Ohio Con took place on the first weekend after Thanksgiving. Normally a two-day event (Saturday and Sunday), in 2012 it expanded to three days (Friday through Sunday).The Mid-Ohio Con was founded in 1980.