Image via Wikipedia
For the moment, savour with Hugo Weaving. Red Skull is one of the frightening villain and an archenemey of Steve Rogers (the alter ego of Captain America in real life), a sabetour and spy who worked as Hitler's right-hand man. The concept if in case by any chance that it follows the comic, would have the same one like Hellboy; sets in World War 2 and depicts between rivalry against the Nazis.
Apparently, Joe Johnson is eager to work with Weaving again, Besides, Weaving is good in The Wolfman.