The first trailer for Steve Carell [1]'s upcoming film Welcome to Marwen is here, and full disclosure: it's going to make you get a little teary-eyed. The film is directed by Robert Zemeckis and based on Jeff Malmberg's award-winning 2010 documentary Marwencol [2], and sees Carell playing the real-life Mark Hogancamp, who was beaten into a coma by five men and spent 40 days in the hospital.

After the attack left him with brain damage and PTSD, Hogancamp immersed himself in an intricate world of World War II-era miniatures as a form of art therapy. In the trailer, Zemeckis mashes both worlds together — Hogancamp's fictional, tiny town of Marwen and his actual reality — to wondrously trippy effect. Welcome to Marwen also stars Leslie Mann, Diane Kruger [3], Merritt Wever, Janelle Monáe, Eiza González, and Gwendolyn Christie, and hits theatres on Oct. 12.