'THE $68,004 MAN' Steve Austin's body is rapidly decreasing in value, due to samurai swords, KGB agents, and lightning. Still, he's determined to save the world...except that he's been beaten up and thrown underwater...and the scientists that rebuilt his body didn't think to make him buoyant... By CHRISTOPHER HASTINGS (The Unbelievable Gwenpool! Secret Agent Deadpool! Adventure Time! I Am Groot!) and DAVID HAHN (Batman '66! Bombshells: United!)!