The premiere of the Batman v. Superman: Dawn of Justice trailer will apparently happen in IMAX theaters on Monday, April 20.

The website for the Celebration Cinema theater chain in Michigan is now listing a 15-minute Batman v. Superman: Dawn of Justice IMAX trailer event. The earlier classification of the Batman v. Superman trailer listed it at about 2-minutes long, so we’re unsure how the remaining 13-minutes will be filled.

The rumor is that director Zack Snyder will debut the first 5 seconds of the teaser via social media on April 16, and then provide instructions on how to see the full trailer on April 20. It looks like those instructions will involve heading to an IMAX theater, which makes sense given Snyder’s strong relationship with the company.

Batman v. Superman: Dawn of Justice opens March 25, 2016.

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