premise: The Punisher has nothing to do with Frank Castle.
hypothesis: The Punisher ( Francis `` Frank '' Castle ) is a fictional character appearing in American comic books published by Marvel Comics . A war veteran and a United States Marine Corps Scout Sniper , Frank Castle ( born Francis Castiglione ) is a master of martial arts , stealth tactics , guerrilla warfare , and a wide variety of weapons . Punisher (2009 series) . For the majority of issues released , the series had tied into the ongoing events of Marvel 's line-wide `` Dark Reign '' storyline , opening with Castle attempting to assassinate Norman Osborn .