One of these takes place high up in 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 as ...

One of the running gags in "Avengers: Age of Ultron" revolves around Thor's hammer, Mjolnir, and the other Avengers' inability to lift it. As legend goes, only those "deemed worthy" are able to ...

But, aside from the aesthetics, strong biceps are essential for helping us with everyday tasks, from lifting to carrying. The bicep curl and hammer curl are two of the most popular exercises you ...