In Japan, Tony Stark supervises the construction of an Arc Station and readies the Iron Man Dio armor to replace his own. However his test flight for the prototype fails. On a targeting practice, the test pilot becomes brainwashed and attacks his colleagues. Diagnosis reveals the Dio suit was controlled by an outside source. Using his classic Iron Man armor, neutralises the Dio suit, then battles and defeats Scorpio, a warrior the Zodiac order. However his Dio suit has been stolen and compromised.