You can replace Bruce Wayne's because it has been done before. Tony Stark will be just as replaceable if when someone else is chosen to be him. Some of us will just have to shed a bit of misplaced sentimentality.
Oh, I can't wait for the RDJ vs. the newcomer fan wars. It has happened with every superhero since the dawn of time. It will happen again.
Originally Posted by Arrow_22
Look for reports of mysterious heroism in the next 6 years. Then check back on this thread