Infiltration Unit Seven's first known directive was to assassinate Roland De Fleures, a high-profile arms dealer. Its fellow synthoid, Zeta, intercepted these orders and became determined to stop it. In addition, the young tech-wiz Bucky had learned of IU7's existence after hacking into the NSA database. Having failed to take control of Zeta earlier, Bucky wanted IU7, so he forced Zeta and Ro to bring him along. Although IU7 infiltrated Casa Primero, Zeta was able to intercept it, draw its fire under the guise of De Fleures, and ultimately disable it using Casa Primero's defense system. IU7 was not finished yet, though. Recovering (and proving immune to Bucky's inductance controller), it pursued De Fleures to a dock warehouse, where it was seemingly destroyed when Bucky knocked it into a w