Powers Booth (Sin City, Deadwood, Nashville) has joined the cast of Marvel's Agents of S.H.I.E.L.D.in a recurring role as Gideon Malick, described as a notorious man whose loyalties remain a mystery. Boothe previously appeard as a member of the World Security Council in Marvel’s The Avengers.

“Gideon is incredibly menacing and in him we have a character that even the stone-cold Grant Ward would fear,” Executive Producer/Head of Marvel Television, Jeph Loeb tells Marvel.com. “Only someone of Powers’ caliber could deliver the type of ominous and powerful performance we needed.”

Marvel's Agents of S.H.I.E.L.D. Season 3 follows Coulson and his team as they track down new Inhumans popping up around the globe, they've already found out they’re not the only ones.

Marvel's Agents of S.H.I.E.L.D. airs Tuesdays at 9 p.m. ET on ABC.