"Scary Movie," "Masters of the Universe," "Power Ballad'"

Three new movies this week, all comedies, kind of. First it's the Wayans Brothers' return to the "Scary Movie" franchise. Then it's the long-gestating "Masters of the Universe" movie. And we close with John Carney's "Power Ballad" with Paul Rudd and Nick Jonas. And Go Knicks. Thanks to Dylan Mayer and My Friend Mary, both of which are wonderful, for the music. We hope you enjoy. Let us know what…