G.I. Joe Cobra Missile Command Headquarters (Ages 5 years & up/Approx. Retail Price: $49.99/Available at Booth #3329 at Comic-Con International in San Diego) Cobraaaa! One of the rarest of all G.I. Joe playsets is back! The G.I. Joe Cobra Missile Command Headquarters, this convention exclusive is a faithful reproduction of the original and iconic Cobra…