Not only is Matt Damon in talks to return to the Bourne Identity series with helmer Paul Greengrass, but the Oscar-winner is also eyeing a starring role in director Zhang Yimou's The Great Wall for Legendary Pictures. Deadline reports that Damon would like to work on the landmark Chinese project with the helmer -- who he almost worked with for Flowers of War -- but his upcoming role in Ridley Scott's The Martian complicates his schedule.