AMC Theatres and the Regal Entertainment Group announced today they are planning The Ultimate Marvel Marathon, a 27-hour event where fans will be able to see all 11 Marvel movies on the big screen. The event starts on April 29 with Iron Man and ends on April 30 with the 7 PM screening of Avengers: Age of Ultron, just hours before it hits theaters nationwide on May 1. Tickets are on sale now at the AMC Theatres and Regal websites.

AMC and Regal, along with Cinemark, are also hosting a double-feature of both Marvel's The Avengers and Avengers: Age of Ultron on April 30. Fans can purchase tickets for those double-features at the above links. Which of these events do you prefer, the 27-hour marathon or just the double feature?

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Marvel Studios presents Avengers: Age of Ultron, the epic follow-up to the biggest Super Hero movie of all time. When Tony Stark tries to jumpstart a dormant peacekeeping program, things go awry and Earth's Mightiest Heroes, including Iron Man, Captain America, Thor, The Incredible Hulk, Black Widow and Hawkeye, are put to the ultimate test as the fate of the planet hangs in the balance. As the villainous Ultron emerges, it is up to The Avengers to stop him from enacting his terrible plans, and soon uneasy alliances and unexpected action pave the way for an epic and unique global adventure. Take a look at the Ultimate Marvel Marathon schedule below

The Ultimate Marvel Marathon Poster