Marvel’s Agents of SHIELD 1×19 Promo “The Only Light in the Darkness”

Marvel’s Agents of SHIELD 1×19 “The Only Light in the Darkness” – With their WORLD turned upside down, Coulson races to save the life of his one true love as the mystery of ‘The Cellist,’ which began in Marvel’s The Avengers, is finally revealed on Marvel’s Agents of S.H.I.E.L.D., Tuesday, April 22nd on ABC.