How to Train Your Dragon came out March 26th and Clash of the Titans hit theaters April 2.

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Next weekend the Warner Bros. epic Clash of the Titans will take over a portion of the screens in the roughly 2, 300 theaters that have 3-D capabilities.

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Now studios are scrambling to convert big budget 2-D films, like Clash of the Titans and the next Harry Potter film, into 3-D.

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But Warner was burned earlier this year when it converted the film Clash of the Titans into 3-D after it had already been shot in 2-D.

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