Simpson is allied with the Iron Nail, attacking individuals in Europe that he perceives as enemies of America, until he is stopped by Captain America. He is caught in an explosion and presumed dead. Nuke later appears alive with a shaved head in the "Death of Wolverine" mini-series. He is seen working for Madame Hydra and hunting Wolverine as part of her bounty. While at a bar in British Columbia, Wolverine's adamantium skull headbutts Nuke to spread the word that he spared him while also getting the information on who placed the bounty on him.