In the final arc of the "Secret Warriors" series, it was revealed that Jake's death and much of his villainy was all part of a long-game plan of his brother's. In 1961, Jake was duplicated by ancient technology (which would later be developed and modernized as S.H.I.E.L.D.'s LMD program); the evil Jake would go on to be the agent known as Scorpio. The real Jake, however, was in deep cover within HYDRA, co-opting the identity of the high-ranking agent known as and infiltrating the highest rungs of the organization and helping his brother bring about its destruction.