Working for S.H.I.E.L.D. isn't everything Captain America's team had hoped when they're expected to unquestionably follow orders involving the Crimson Dynamo and The Winter Guard.
Captain America, Black Widow, Hulk, and Falcon (as Secret Avengers) discover that working for S.H.I.E.L.D. isn't everything they hoped for when they're expected to unquestionably follow orders in a dangerous situation involving Crimson Dynamo and the Winter Guard when Crimson Dynamo gets the key to a power source that is something the Avengers least suspect.—Wikipedia