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The iterations of James Cameron’s 2009 megahit just keep iterating. This one is a 3-D combo pack (requiring a 3-D television, of course), with both 3-D and 2-D Blu-ray, DVD, and Blu-ray and 16½ minutes of footage left out of the original theatrical release (but available on previous disc offerings). Extras: collectible packaging and the original theatrical version on all three formats. (20th Century Fox, $39.99)