"Was he married?" "No, there was a cellist, I think." Please note, this thread may contain spoilers and references to the Marvel Cinematic Universe. "The Only Light in the Darkness" Tuesday, April 22, 2014 @ 8 p.m. ET/7 CT on ABC 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. #1.18: "Providence" ABC.com - Marvel's Agents of S.H.I.E.L.D.