Marvel has released a debriefing for episode five of Agent Carter titled "The Iron Ceiling". The synopsis below includes an appearance by Captain America's Howling Commandos!
"The Iron Ceiling" - Peggy is finally trusted with a mission and calls upon her trusted Howling Commandos squad for backup. But her cover could be at risk when SSR Chief Dooley also sends Agent Thompson with her."
More on Marvel.com:
"The Iron Curtain" Airs Tuesday, February 3 (9:00-10:00 p.m., ET) on the ABC Television Network.