In April 2009, she began filming the western superhero film "Jonah Hex", in which she portrayed Tallulah Black / Leila, a gun-wielding beauty and Jonah Hex's (Josh Brolin) love interest. The film was released on June 18, 2010. Despite receiving top billing, Fox described her role in the film as being a cameo. "Jonah Hex" was a critical and commercial failure in the U.S., with its international distribution cancelled after its poor performance. The film was named the "worst picture of the year" by the Houston Film Critics Society.