Understandably, both Fox and the theater owners that have come to rely on "Avatar"'s success aren't thrilled about surrendering the science fiction epic's 3-D footing in favor of the untested "Alice." As a result, it seems that Fox is fighting to keep "Avatar" in as many IMAX and 3-D locations as possible, leading to a not-so-behind-the-scenes showdown between James Cameron's and Burton's latest efforts.