Superman is one of the strongest superheroes around, but not even the Man of Steel could stop these heroic powerhouses.

Add Yahoo as a preferred source to see more of our stories on Google. Written by Joshua Williamson, with art by Sean Izaakse, DC K.O.: Superman vs. Captain Atom #1 centers around the contest between ...

And that's what he is in this game for. Clearly he has been reading or watching a lot of Watchmen and has Doctor Manhattan envy. DC's KO: Superman Vs Captain Atom by Joshua Williamson and Sean Izaakse ...

This week sees DC Comics publish two DC K.O. tie-in comic books written by Joshua Williamson, DC K.O.: Superman vs. Captain Atom #1 drawn by Sean Izaakse and DC K.O. Knightfight #2 drawn by Dan Mora.