Agents Of S.H.I.E.L.D. confronts the season's big mystery in this exclusive clip
Last season of Marvel’s Agents Of S.H.I.E.L.D. ended on a moving and bittersweet note: Phil Coulson was dying, but he and Melinda May left the team to spend his final weeks (or possibly months) alive together on a remote beach, the romance they had put off for so long. By the time season six began a year later, she…