Stargate SG-1: 2007 Convention Special

Publisher's summary
Stargate SG1 continues its stellar run in comics with this year's special one shot! The SG Command has a whole new type of problem on their hands when an evil doppelganger of Jack O'Neill is loose on the base, with free reign to cause havoc! This issue is available with the Regular and Conflict covers by painter Lucio Rubira, Wraparound by Jorge Correa, Asgard and Premium Painted covers by Ryan Drake, and Team and Samantha Carter photo covers.