Originally Posted by fixxxer
Looking years (a decade?) into the future, it would be prudent to go down Nolan's Bruce Wayne/John 'Robin' Blake route.
After Downey's ready to ride off into the sunset due to age and/or ennui, it would be really cool if we see an Iron-Man-in-Training type young 'un whom Stark would mentor and who would take on the mantle of Iron Man.
No thanks, that's not in the comics and Marvel like to stick to there own stuff.
Just get another actor in to play Stark, give his own take and not be the wise-ass we have.