Leo DiCaprio or Brad Pitt for Captain America

Just a rumor going around, but Marvel might have their sights set on Leo or Brad to play the role of the Nazi fighting superhero Captain America. No offers have been made yet. They probably want to have a script and a director picked out before they approach anyone. It seems like Marvel really wants big names and good actors in their movies. Which is fine by me, but once filming begins of star packed movie, The Avengers, who will be the star?
[Latino Review]