Indiana Jones and the Zombie Nazis Riding Dinosaurs.
I think without some 'end-of-world'/'ultimate power' plot, chasing for the sake of art/history, etc will fall flat.The bad guy should be interested in the object for art/ history/ the chase/ or collector reasons, rather than for what it can do.
It could be an extreemly small "world" if you think about it. We could stick him starnded on a small island and the power struggle could take place in under 100 miles. We get to define the size of the world.Right, I used the term 'end-of-the-wlrd' loosely, but yes, I feel there needs to be more at stake if the bad guy gets the MacGuffin other than just getting it first.