Blue Demon regresa en una de sus mejores aventuras como el agente Cero, quien esta vez se enfrenta a una organización criminal que intenta envenenar al mundo con un gas letal (cuya fórmula resulta desconocida). Esta vez, Cero (Blue Demon)...
Blue Demon returns in one of his best adventures like Agent Zero, who this time is facing a criminal organization that attempts to poison the world with a deadly gas (whose formula is unknown). This time, Zero (Blue Demon) is the only one q...