Also that's not really the Showcase cover...sort of.
There's only one scene in the whole book where having no color effects anything. A scene where Booster's costume is changing back from being black and white to in color. And instead it's stays black and white and it's the same 3 panels in a row. It was fairly hilarious.
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http://img.imgcake.com/tumblrlydlw2kYU21r0x924o1500gifru.gif
http://img.imgcake.com/1326165368699gifme.gif