好像有4段,總共持續20分鐘,
將來應會整部都轉為3D

Q: How much of Superman Returns: An IMAX 3D experience is shown in IMAX 3D?
A: 4 segments lasting approximately 20 minutes in total.
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Q: Why wasn't the whole film in 3D?
A: There wasn't enough time to convert the whole film given its production schedule. IMAX is working to improve the timing so it will be possible to fully convert entire films in the future.

以上擷取自IMAX 3D NEWS!!! SUPERMAN RETURNS