* Paul Rudd, Emile Hirsch star in "Prince Avalanche" * Misfits pair up for tedious job in remote forest * Director David Gordon Green adapts Icelandic comedy By Mike Collett-White BERLIN, Feb 13 (Reuters) - Cinema has a new odd couple in "Prince Avalanche", a low-budget film set in the remote, fire-ravaged forests of Texas and starring Paul Rudd and Emile Hirsch as an unlikely pair of workers painting markings on a seemingly endless road.