Captain America vs. Batman

Sorry if this has been done before. No prep. Batmanhas his gadgets and Captain America has his shield. Who'd win?

Batman doesnt need help to beat this boy scout

Check it out:

http://www.killermovies.com/forums/showthread.php?s=&threadid=339557&highlight=batman+captain+america

http://www.killermovies.com/forums/showthread.php?s=&threadid=332135&highlight=batman+captain+america

Thank you, discuss it here:

http://www.killermovies.com/forums/showthread.php?s=&threadid=332135

Closing