Winter Soldier [James Buchanan Barnes, also as Captain America in Flashback]; AIM [A.I.M.; Advanced Idea Mechanics]; Jasper Sitwell; Leo Novokov; SHIELD; Black Widow; Boris Kolchek (Death); Synn (Flashback Cameo); Doctor Doom (in newspaper); Fred Davis (Death)
Synopsis
Winter Soldier learns that the third sleeper agent was rudely awakened years ago and has gone off program.