Originally Posted by
Jcogginsa
Namor managed to draw blood from Thanos back during the Hickman Avengers, though that was a sneak attack that broke every bone in his hand, and right afterwards Thanos proceeded to beat the shit out of him.
He also drew blood from both Sentry and Ikaris in other comics who origin I do not know. All of these are blood from the mouth type deals, not serious injuries.
That said, isn't modern Wonder Man an energy being or something? Even if Namor had the strength to hurt him, would punches actually do anything?