Agents Of S.H.I.E.L.D. Trailer Features Fitz And Simmons

ABC has released a brand new Agents Of S.H.I.E.L.D. trailer (via Huffington Post), which features Agents Fitz and Simmons. Agent Fitz is played by Iain De Caestecker, and Agent Simmons is played by Elizabeth Henstridge. Agents Leo Fitz specializes in weapons technology, while Agent Jemma Simmons specializes in life sciences (both human and alien). They have what is described as a brother-sister relationship. Agents Of S.H.I.E.L.D. will air on Tuesdays at 8 PM on ABC this fall. Marvel's Agents Of S.H.I.E.L.D. Comic-Con panel takes place at the San Diego Convention Center in Ballroom 20 on Friday, July 19 at 1:45 PM PT.