I've looked, but cannot seem to find an announcement anywhere on whether anyone will be offering full-scale prop replicas from CAPTAIN AMERICA: The First Avenger, particularly his shield. I hope Sideshow isn't doing it, because I don't trust them to machine metal properly. If they did one, it'd probably be polystone.
In any case, someone needs to do it. I'll die if I don't have one of these (photos of actual prop from SDCC):
In any case, someone needs to do it. I'll die if I don't have one of these (photos of actual prop from SDCC):