Originally Posted by Airwings
Fellini's a tough one. I have to think more about him.
Leone - Wolverine (especially considering how big an influence Clint Eastwood was on the character)
Ingmar Bergman - Batman comes to mind instantly for me.
Hughes - Spider-Man
Robert Zemeckis - either Captain America, The Phantom, or the Shadow
Joe Dante - Gotta think about more
Ron Howard - Captain Marvel
George Lucas - Green Lantern