WARNING: This article contains spoilers for Superman & Lois season 4, episode 3.Superman & Lois season 4 has revealed that DC‘s version of Iron Man is the one to replace the deceased Clark Kent as the world’s hero. Tyler Hoechlin’s take on the Man of Steel has grown throughout Superman & Lois to become one of the best live-action versions of Superman. After season 3’s ending teased a possible Death of Superman adaptation was coming, Doomsday took Superman’s life in season 4’s first episode. With Superman dead, the world needs a new hero to step up.