One of the running gags in "Avengers: Age of Ultron" revolves around Thor's hammer, Mjolnir ... and Hulk (Mark Ruffalo) all try their best to give it a lift. Though Captain America (Chris Evans ...

"Avengers: Age of Ultron" may focus ... Stark Tower as the intrepid crew takes turns attempting to lift Thor's (Chris Hemsworth's) hammer. The scene is filled with testosterone-laced camaraderie ...