“Marvel’s Agents of S.H.I.E.L.D.” fans at San Diego Comic-Con will get an exclusive poster at the Marvel Television panel, but they can already see what the poster reveals. The artwork hints at Coulson’s (Clark Gregg) Season 3 storyline.

The poster, first revealed by TV Insider, shows a drawing from Jim Cheung and Romulo Fajardo Jr. It seems like a normal picture that just shows off the main cast, but upon closer inspection, there is a big plot point right in the middle of the poster on Coulson’s left hand — because he isn’t supposed to have one.

Viewers were shocked when Mack (Henry Simmons) chopped off Coulson’s hand and part of his forearm to save his life in the “Marvel’s Agents of S.H.I.E.L.D.” Season 2 finale. The S.H.I.E.L.D. director had caught a Terrigen crystal, which started to turn his hand to stone. He would’ve died if Mack hadn’t stepped in with an axe. Coulson’s arm was in a sling at the end of the finale, and it looked like his hand was gone for good. However, Gregg hinted that it might not be the end of his hand.

“They hinted that it’s a real loss, but certainly in this world, with some of the friends we have at S.H.I.E.L.D., there may be some technology that makes the loss of that hand, at some point down the line, a little bit less painful,” Gregg told Entertainment Weekly in May.

Executive producer Jeffrey Bell warned that the physical consequences might not be as hard deal with as the emotional effects when Season 3 begins. “We live in the Marvel Universe, and in the MU, there’s all kinds of cool technology and medical stuff where people can lose a hand or have a brain operated on and come back different but more intriguing,” Bell told the Hollywood Reporter. “So for us it’s not just the physical thing, but the emotional thing of Coulson losing a part of himself.”

It isn’t clear exactly what Coulson’s hand is now. While many audience members believe it could be robotic, it could also potentially be alien technology. After the side effects of Project T.A.H.I.T.I., it would seem unlikely that Coulson would put more alien tech into his body, but maybe his new partnership with the Inhumans could help convince him otherwise.

The hand might be explained at Marvel’s television panel at San Diego Comic-Con. Several Season 3 cast members and writers will appear at the panel on Friday in Ballroom 20 at 3 p.m. Attendees will receive both the above artwork and a “Marvel’s Agent Carter” Season 2 poster.

“Marvel’s Agents of S.H.I.E.L.D.” Season 3 will premiere Tuesday, Sept. 29, at 9 p.m. EDT on ABC. What do you think Coulson’s hand is? Sound off in the comments section below!

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