Godzilla wasn't the only gigantic, city-destroying monster to smash into Hall H at Comic-Con. The great Gullermo del Toro popped along with some footage from one of the biggest unknown quantities at the 'Con: Pacific Rim . And, it's safe to say, it's no longer an unknown quantity. This thing is going to be epic. A high-concept blockbuster that, unusually for a day dominated by Superman, Iron Man and The Hobbit , is an original property, Pacific Rim takes place in the future; a future where giant monsters have emerged from within a rift in the Pacific Rim and laid waste to humanity. The air is choked with ash. Cities are destroyed. Mankind is struggling for survival. Their only hope: Jaegers, pilots who bond telepathically with enormous, 25-storey robots that can take on the monsters at their own game. But it's a battle that they're on the verge of losing - can Charlie Hunnam's Raleigh Antrobus, Rinko Kikuchi's Mako Mori and Idris Elba's Stacker