He's fought orcs from horseback in Middle-earth , explored the final frontier on the Starship Enterprise , and wielded dual machine guns in the Marvel Cinematic Universe , but now Karl Urban is really in the thick of it. This May, he leads one of the first blockbusters of the summer as martial artist Johnny Cage in the video game movie sequel Mortal Kombat II , and he's back for one last round as grizzled superhero slayer Billy Butcher in the final season of the raunchy spoof The Boys . That