GI Joe Origins #7

Chuck Dixon (w) o Alex Cal (a) o Cal, Tom Feister (c)
Why did Mainframe go AWOL in the first place and vanish to where the Joes could never find him? Get the whole backstory on what's going on with the G.I. with the I.Q. while his adventure with Snake Eyes is going on the pages of the current issue of G.I. JOE's monthly series (both tales written by Chuck Dixon, to boot!)