Originally Posted by kedrell
Depends on what universe they're fighting in. Superman in the Marvel Universe would lose significant advantages. In the DC universe, complete invulnerability is possible. Not so the Marvel Universe. Even major heavyweights like Thor and Hulk can bleed under the right circumstances. Supes would likewise if they fought in the MarvelU. Also, in the MarvelU, Superman couldn't fly. You need some legit reason to be able to do that there. In DC you can do whatever you like.
This isn't about universes, this is about them exactly as they are depicted in their respective movies...fighting each other