Film fanatics are blue with anticipation about “Avatar,” James Cameron’s epic endeavor about a cerulean civilian in jeopardy.

“There hasn’t really been a fantasy movie getting rave reviews of this kind since ‘Lord of the Rings,’" said David Heiman, a 24-year-old from Brooklyn who plans to see “Avatar” on Saturday.

Starring Sigourney Weaver and Sam Worthington, “Avatar” reportedly was in the works for 15 years and cost $500 million.

Ticket sales are expected to break records and many midnight showings, including those at the AMC Loews 34th Street Theater, are sold out.

The film’s technological advances — including CGI as well as the 3-D and IMAX formats — are much of the appeal, Heiman said.

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Nick Purpura, a manager at Jim Hanley’s Universe, a comic book haven in midtown, was more skeptical. “What if it’s the most beautiful movie, but the story doesn’t hold up? Visuals only go so far,” the 36-year-old argued.

Nevertheless, Henry Park, 29, of Harlem, and wife Nikisha bought advance tickets. “My wife is interested in the political undertones of mass genocide and exploitation,” Park said.