Plenty of characters have beaten Superman in a fight , from Darkseid and Doomsday to Muhammad Ali (yes, that happened). There are also plenty of Marvel characters that could probably destroy Supes , and if the Man of Steel ever faced off against Sentry , it's not entirely clear who would come out on top. Indeed, the seemingly unbeatable DC icon has been felled several times, and it just happened again. This time, Captain Atom took out the Man of Steel in "DC K.O. Superman vs. Captain Atom" #1, but his victory is short-lived as Supes comes back for more in a super-charged form.

It's taken a little while, but the "DC K.O." event has finally given us our first big battle, and it's a doozy. Not only does "DC K.O. Superman vs. Captain Atom" give us a heck of a showdown featuring the Man

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