Mark Ruffalo, Jeremy Renner, Elizabeth Olsen, Josh Widdicombe, Blur

Together on Graham's sofa: Avengers assemble! Earth's mightiest heroes are in town. The Incredible Hulk, Mark Ruffalo, joins fellow Oscar-nominated star Jeremy Renner and actress and singer Elizabeth Olsen. Also on the show are top comedian Josh Widdicombe and, performing Lonesome Street, Brit supergroup Blur.