Agent 13: A talented and loyal member of S.H.I.E.L.D. before its dissolution, Agent 13 was originally sent to observe Captain America as he adjusted to life in the present. She has since become one of Cap's closest friends and allies, watching his back by using her impressive talents in the art of espionage.

Mercenary: Hired operatives in the service of Crossbones, these highly trained mercenaries are bent on causing enough damage to turn public sentiment against the heroes who fail to stop them.