When the balance of power shifts anywhere, one side or another usually makes a move to regain equilibrium. It's the way of the world, the yin and the yang of natural order. In Avengers, a film based on Stan Lee characters from Marvel Comics, a guy named Nick Fury, head of S.H.I.E.L.D., acts to save the earth from an outside threat by recruiting a bunch of superheroes, including Iron Man, Captain America, the Hulk, and Thor. There's a self-named version of this group in racing now, and they're part of...