Cowboys & Indians – sure, Cowboys & Kung Fu – fine, but aliens in the Wild West? Go on, pull the other pulsating tentacle. Isn’t that why Bravestarr was relocated to a planet called New Texas? If only someone had whispered in Jon Favreau’s ear, “it’s a comedy”. Instead, the Iron Man director has gone and dropped the “funny” out of “seriously funny” in this comic book adaptation, wielding a straight-to-video idea with a blockbuster budget and no one’s having it.