For more information on "Castle," visit ABC.com

COULSON AND HIS TEAM ARE HOT ON THE TRAIL OF THE CLAIRVOYANT WHEN DEATHLOK ATTACKS, ON ABC'S "MARVEL'S AGENTS OF S.H.I.E.L.D."

Bill Paxton Guest Stars as Agent John Garrett

"End of the Beginning - Agents Garrett (Bill Paxton) and Triplett are back to help Coulson's team track down S.H.I.E.L.D.'S nefarious enemy - the Clairvoyant. But will Deathlok destroy them all to protect his master's identity? "Marvel's Agents of S.H.I.E.L.D." airs TUESDAY, APRIL 1 (8:00-9:01 p.m., ET) on the ABC Television Network.

"Marvel's Agents of S.H.I.E.L.D." stars Clark Gregg as Agent Phil Coulson, Ming-Na Wen as Agent Melinda May, Brett Dalton as Agent Grant Ward, Chloe Bennet as Skye, Iain De Caestecker as Agent Leo Fitz and Elizabeth Henstridge as Agent Jemma Simmons.

Guest starring are Bill Paxton as Agent John Garrett, Saffron Burrows as Victoria Hand, J. August Richards as Mike/Deathlok, B.J. Britt as Agent Antoine Triplett, Titus Welliver as Agent Felix Blake, Maximiliano Hernandez as Agent Jasper Sitwell and Brad Dourif as Thomas Nash.

"End of the Beginning" was written by Paul Zbyszewski and directed by Bobby Roth.

"Marvel's Agents of S.H.I.E.L.D." is broadcast in 720 Progressive (720P), ABC's selected HDTV format with a 5.1 channel surround sound. A TV parental guideline will be assigned closer to the airdate.

For more information on "Marvel's Agents of S.H.I.E.L.D.," visit ABC.com