Steve has joined S.H.I.E.L.D and leads a new Howling Commandos unit, which includes Brock Rumlow, Peter Parker's younger brother Peter Parker 3, Jack Rollins, and Steve's fellow Avenger Nathasha Romanoff, among others. Nick Fury is mysteriously assassinated by a man going by the name of the Winter Soldier. In his dying moments Fury tells him not to trust anyone. Steve, only knowing that Natasha and his friend Samuel Wilson are trustworthy, teams up with them to find out who killed Fury and the mystery behind one of S.H.I.E.L.D's leaders Alexander Pierce and S.H.I.E.L.D as a whole.
