Baron Helmut Zemo, was the 13th Baron Zemo, a title of German nobility. His family pledged their loyalty and service to the German Empire in return for Castle Zemo and land that they could pass to their heirs[11]. Following the death of his father, Helmut took up the title, and much like his father and their fathers before him, he too was disfigured by Adhesive X and forced to don a mask[6]. The 13th Baron took over the leadership of the Masters of Evil[12] and became one of the leading members of Hydra.