“Hot Potato Soup” – Agents Sam and Billy Koenig (Patton Oswalt) are hunted down to get at the Darkhold book, and only Coulson and the team can save them before the clock ticks out, on “Marvel’s Agents of S.H.I.E.L.D.,” TUESDAY, JANUARY 31 (10:00-11:00 p.m. EST) on the ABC Television Network.

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