Following the events of 'Captain America: The Winter Soldier,' we're ready to make some guesses about Agent Coulson's mysterious enemy.By Josh Wigler Is Loki the Clairvoyant? Photo: Marvel Studios Warning: "Captain America: The Winter Soldier" spoilers are ahead. Now that "Captain America: The Winter Soldier" is in theaters, it's time for "Marvel's Agents of S.H.I.E.L.D." to suffer the consequences. The titular agency is headed for a downfall, thanks to HYDRA's stranglehold and Cap's decision to blow the lid off of that conspiracy.