By upgrading the Hulkbuster with "cosmic harness" technology that he apparently confiscated from Doom, Iron Man is impervious to the Silver Hulk's energy blast and meets his ultra-powerful punch ...

IRON MAN GOES MEDIEVAL! It’s the Iron Swordsman ... it will go off…and WHO will get caught in the blast. Stark family legacy, and guest stars galore make this an issue you can’t ignore!