Deadpool: World's Greatest: End of An Error — Marvel
Issue: #1
The regenerating degenerate is now one of the most popular heroes in the world - a freaking Avenger, for crying out loud! But enough about Wade: If you like Deadpool, you'll go crazy for yet more Deadpools! Like the Mercs for Money he's recruited, in their own madcap adventures! And how about Deadpool 2099? You're about to jump decades into the future to meet an all-new Merc with an all-different...
Creators: Tony Moore, Scott Koblish, Gerry Duggan
Characters: Deadpool, Masacre, Deadpool 2099