Snake Plisskin vs The Punisher
The Standard Marvel continuity. Snake came out of a wormhole to Earth 616 and takes up an unassuming role at Stark Industires because he wants to go clean . The Punisher goes mad kills the Marvel Universe because he's sick and tired of hearing everyones namby pamby bullsh*t. Before Tony Stark was murdered, he went to his employee Snake(after doing an itinerary on him) and asked for his help.
"What? I don't have a bomb strapped to me or a virus injection?"
"No but you have access to everything I own. Take my xtremis suit, and here is a list of addresses where Reed Richards and Doom kept their emergency supplies. The xtremis suit will help you on how to work."
"I ain't a dummy, pal."
"Help a dying brother out and listen. Here are some people who can help."
Suddenly, Tony dies of the shrapnel injury in his heart, as Frank had undone what had protected him.
Snake has two days to find Frank and take him down.