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After the film was released on April 6, 2007, ticket sales performed significantly below box office analysts' expectations despite mostly positive critic reviews. Reportedly, the producers are considering splitting the film into two segments for the rest of its U.S. theatrical run in an attempt to increase revenue. In much of the rest of the world, each feature will be released separately. Two soundtracks were also released for the features and include music and audio snippets from the film. In several interviews, the directors have expressed their interest in a possible sequel to the film.