The countdown to "Marvel's Agents of S.H.I.E.L.D." continues (premieres Tuesday, Sept. 24 at 8 p.m. ET on ABC), and after bringing you fun first look previews, scoop from the cast and in-depth interviews with the producers, we've got another "S.H.I.E.L.D." treat.


Click through the slideshow below to get the exclusive first look at six new character photos from the show, featuring stars Clark Gregg, Ming-Na Wen, Chloe Bennet, Brett Dalton, Elizabeth Henstridge and Iain De Caestecker, all looking on very high alert.



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  • First Look: "Marvel's Agents of S.H.I.E.L.D."


    Ming-Na Wen stars as Melinda May on ABC's "Marvel's Agents of S.H.I.E.L.D."




  • First Look: "Marvel's Agents of S.H.I.E.L.D."


    Brett Dalton stars as Grant Ward on ABC's "Marvel's Agents of S.H.I.E.L.D."




  • First Look: "Marvel's Agents of S.H.I.E.L.D."


    Chloe Bennet stars as Skye on ABC's "Marvel's Agents of S.H.I.E.L.D."




  • First Look: "Marvel's Agents of S.H.I.E.L.D."


    Iain De Caestecker stars as Leo Fitz on ABC's "Marvel's Agents of S.H.I.E.L.D."




  • First Look: "Marvel's Agents of S.H.I.E.L.D."


    Elizabeth Henstridge stars as Jemma Simmons on ABC's "Marvel's Agents of S.H.I.E.L.D."




  • First Look: "Marvel's Agents of S.H.I.E.L.D."


    Clark Gregg stars as Agent Phil Coulson on ABC's "Marvel's Agents of S.H.I.E.L.D."




  • Marvel's "Agents of S.H.I.E.L.D."


    Cobie Smulders ("How I Met Your Mother") will reprise her role as Agent Maria Hill from "Marvel's The Avengers" in the pilot episode of Marvel's "Agents of S.H.I.E.L.D." set to premiere Tuesday, September 24 at 8 p.m. ET on ABC.




  • Marvel's "Agents of S.H.I.E.L.D."


    Cobie Smulders ("How I Met Your Mother") will reprise her role as Agent Maria Hill from "Marvel's The Avengers" in the pilot episode of Marvel's "Agents of S.H.I.E.L.D." on ABC -- seen here reunited with Clark Gregg's Agent Coulson.




  • "Marvel's Agents of S.H.I.E.L.D."


    Iain De Caestecker and Elizabeth Henstridge star in Marvel's "Agents of S.H.I.E.L.D." on ABC.




  • "Marvel's Agents of S.H.I.E.L.D."


    Clark Gregg, Iain De Caestecker and Elizabeth Henstridge star in Marvel's "Agents of S.H.I.E.L.D." on ABC.




  • "Marvel's Agents of S.H.I.E.L.D."


    Chloe Bennett and Clark Gregg star in Marvel's "Agents of S.H.I.E.L.D." on ABC.




  • "Marvel's Agents of S.H.I.E.L.D."


    Chloe Bennett and J. August Richards star in Marvel's "Agents of S.H.I.E.L.D." on ABC.




  • "Marvel's Agents of S.H.I.E.L.D."


    Ming-Na Wen star in Marvel's "Agents of S.H.I.E.L.D." on ABC.




  • "Marvel's Agents of S.H.I.E.L.D."


    Clark Gregg and Joss Whedon talk between scenes while shooting Marvel's "Agents of S.H.I.E.L.D." for ABC.





Tell us: Are you excited for "Marvel's 'Agents of S.H.I.E.L.D."?


"Marvel's 'Agents of S.H.I.E.L.D." premieres Tuesday, Sept. 24 at 8 p.m. ET on ABC.