Ep. 12: Endgame

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Kuroda enacts a coup d'etat and declares martial law over Japan. As Dr. Tanaka confesses to unwittingly overloading the Arc Reactor, Kuroda destroys the US military presence and reveals that Tanaka is really a Zodiac robot, Tony fought before Sakarai was killed. Iron Man is able to snap Tanaka out of her frenzy. Iron Man fights a heavily armored Kuroda, but Tanaka manages to provide the power Iron needs to vanquish Kuroda. Months later Tony completes his work on the Arc Station to provide renewable energy for the world. (Source: Wikipedia)