Iron Man [Tony Stark]; Guardsman [Michael O'Brien]; Jack of Hearts; The Wrath [Brian DeWolff]; Jasper Sitwell; Madame Masque; Jean DeWolff; Yellowjacket [Hank Pym]; Edward March; Darkstar (villain); Vanguard [Nikolai Krylenko] (introduction, villain); Crimson Dynamo [Dimitri Bukharin] (introduction, villain)