Tickets are now on sale for Marvel Studios’ Avengers: Age of Ultron (get your tickets by clicking here!), but to make things just a bit more interesting, AMC Theaters, Regal Entertainment Group, Cinemark, Megaplex, Harkins and National Amusements theaters are planning “The Ultimate Marvel Marathon” featuring every single Marvel Studios film. Spanning over 27 hours, the event will begin on April 29 with Iron Man and conclude April 30 with Avengers: Age of Ultron. The schedule for AMC theaters will go as follows:

6:00pm IRON MAN

8:25pm THE INCREDIBLE HULK

10:35pm IRON MAN 2

1:00am THOR

3:10am CAPTAIN AMERICA: THE FIRST AVENGER

5:30am THE AVENGERS

8:48am IRON MAN 3

11:15am THOR: THE DARK WORLD

1:45pm CAPTAIN AMERICA: THE WINTER SOLDIER

4:20pm GUARDIANS OF THE GALAXY

7:00pm AVENGERS: AGE OF ULTRON (RealD® 3D)

Chains will also be doing an “Avengers” double feature of 2012’s The Avengers and Avengers: Age of Ultron as well. You can get your tickets for the event at AMC, Regal, and Cinemark, each featuring their own perks, by clicking the respective theater.

Written and directed by Joss Whedon and produced by Kevin Feige, Marvel’s Avengers: Age of Ultron is based on the ever-popular Marvel comic book series “The Avengers,” first published in 1963. Louis D’Esposito, Alan Fine, Victoria Alonso, Jeremy Latcham, Patricia Whitcher, Stan Lee and Jon Favreau serve as executive producers. Starring stars Robert Downey Jr., Chris Hemsworth, Mark Ruffalo, Chris Evans, Scarlett Johansson, Jeremy Renner, Samuel L. Jackson, Aaron Taylor-Johnson, Elizabeth Olsen, James Spader, Cobie Smulders, Thomas Kretschmann, Paul Bettany and Stellan Skarsgard, Marvel’s Avengers: Age of Ultron opens in theaters on May 1, 2015.