You get to meet Sherlock Holmes when you end up in England. He tells you about some Zoda character that is planning to steal a Tetrad from the museam. He later concludes that there are Zoda Clones. Zoda-X, Zoda-Y, and Zoda-Z.
Zoda-X
This is a clone of Prime Invader Zoda-X, in which Mike killed in his StarTropics adventure. Zoda-X steals the Tetrad from the museam and Mike must chase him through the sewers of London to get it back.
