Dwayne Johnson has always been able to give off that cheeky look, as if to say "Hey - I can't believe I'm doing this for a living!" - here he manages to add "and, I'll bet neither can you!"... Based loosely on Greek legend, he is the eponymous hero who has to rescue his perilously poised nephew "Iolaus" (Reece Ritchie) from a fate worse than death, then take his sword to work for the rather feeble King "Eurystheus" of Thrace (Joseph Fiennes) and his feisty daughter "Atalanta" (Ingrid Bolsø Berdal) against the ruthless Lord "Cotys" (John Hurt - a man who also looks like drink has been taken). A...