on a roll after doing the successful "iron man" movies with robert downey jr.s one is close to his heart. you always wanted to make a western? >> yeah,, wrote a western right after "swingers." i've been trying to work in this milieu for a long time. >> reporter: what is it about westerners you love? >> it's a classic american forerule. it's opera. big characters and big stories. there's a hero, somebody who needs redemption. those stories are told time and time again. >> there's a sort of simple thethic that the western man lived. it really was self-reliance, you know. ititas simple rules. finish what you start. you know? do the best job you can. they're all -- they were work ethic rules really. and so it's nice to do a film that has that as, you know, as part of the armiture of it, the simplicity, straightfordness and something really sort of black and white. >> take 'em to missouri, mit. >> reporter: for decade, hollywood made western movies like "red river" to rake in a dependable box office profit and to take a long hard look at american values, american dr