New Super Mario Bros. Wii Trailer: I Spy Squid!

Bizarre power-ups including an ice-tossing penguin suit and a rather fetching propeller beanie are on display in a new trailer for Nintendo's New Super Mario Bros. Wii.

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We got our hands on Nintendo's four-player platformer at E3, and discovered that, mostly, the more the merrier. See for yourself when it arrives on Wii this holiday season.