Happy Birthday to Marvel’s premier covert operating force S.H.I.E.L.D.! The famed S.H.I.E.L.D. debuted in August of 1965 in Strange Tales #135, 50 years ago this month! To celebrate the impact S.H.I.E.L.D. has had on comics and the greater Marvel Universe, Marvel is releasing 5 one-shot specials featuring Nick Fury, Agent May, Mockingbird, Quake, and Agent […]