Dr. Manhatten V New 52 Superman.

[Pocket-Gog~]

Since Dr. Manhatten and Superman are both treated as the most powerful Superheroes, who would be on top if they duelled?

 

[Captain Cadaver]

The recent DC comic featuring Dr. Manhattan confirms he's more powerful than Mr. Mxyziptlk, so he oneshots even pre-Crisis Superman, never mind New 52.