Just when you thought Brett Ratner's 'Hercules' starring Dwayne "The Rock" Johnson was the only Hercules movie out on the market, in steps Renny Harlin who's found his own Grecian strongman in Kellan Lutz for a rival big-budget flick. It makes sense if you think about it -- what better way to attract a huge audience than with a shirtless 'Twilight' heartthrob?