"Monsters vs. Aliens (3D)" ** (out of four): 3D can't pump up a flat "Monsters".

I'm sure it sounded like a good idea in the pitch: "Let's take the icons of 50s sci-fi movies -- the 50-ft woman, The Fly, The Creature from the Black Lagoon and the Blob -- team them up with Rodan or something, then have them fight an alien warlord and his robot minions! We could get some hot voice talent, write some jokes and spice it up with some 3D." That would work, right? Not so much, it turns out.

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