Marvel's Agents of S.H.I.E.L.D. Season 2 Spoilers: Hayley Atwell Returns as Agent Peggy Carter in Episode 8

Marvel's Agents of S.H.I.E.L.D. has had an excellent start to Season 2, and things don't look to be slowing down anytime soon based on the official description for Episode 8, "The Things We Bury."

The description reveals Grant Ward is up to no good, and we also learn that Hayley Atwell returns as Agent Peggy Carter!

"'The Things We Bury' - Coulson and team find themselves in an epic face-off against Hydra to uncover an ancient secret, while Ward kidnaps his brother, Senator Christian Ward, for a violent trip down memory lane, on 'Marvel's Agents of S.H.I.E.L.D., Tuesday, November 18 (9:00-10:00 p.m., ET) on the ABC Television Network.

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

Guest starring are B.J. Britt as Agent Antoine Triplett, Adrianne Palicki as Bobbi Morse, Henry Simmons as Alphonso "Mack" Mackenzie, Reed Diamond as Daniel Whitehall/Werner Reinhardt, Tim Dekay as Senator Christian Ward, Kyle MacLachlan as The Doctor, Hayley Atwell as Agent Peggy Carter, Simon Kassianides as Sunil Bakshi, Lou Ferrigno Jr. as Agent Hauer, Al Coronel as Agent Rivera, Dichen Lachman as young woman, Eijiro Ozaki as prisoner, Alexander Leeb as scientist and Willem Van Der Vegt as officer.

'The Things We Bury' was written by DJ Doyle and directed by Milan Cheylov."

Why do you think Agent Carter returns in this episode? Let us know in the comments section.