ISSUE #4 - The secret history of Thumper has been revealed! But now that Wade Wilson knows the massive masked man's motivations - not to mention his startling true identity - what does that mean for Deadpool? Plus: Whose side is Garrison Kane on, anyway? And why is Wade suddenly trading blows - and bullets - with Domino? Isn't she supposed to be his ally on this crazy caper? Prepare to experience the explosive finale of Rob Liefeld's ultimate Deadpool story!