Since his inception circa the World War II era, Captain America has been riding around in military vehicles, and to stay true to these World War II settings, Marvel commissioned Harley Davidson.  Harley modified their Crossbone model to resemble a 1942 WLA Military bike from way back when and even had an ammunition box and gun holster—which probably can’t be found in the civilian Crossbones bike—to give it some extra authenticity. Check out the mini-doc for more information on this classic’s creation.