SAN DIEGO -- Zack Snyder was just another movie director hawking his wares at last year's Comic-Con convention when he joined Frank Miller, the graphic novelist, here to talk about a planned adaptation of Miller's 300.
What a difference a year makes.
Snyder, a sandy-haired 41-year-old, arrived this time in triumph. All of Petco Park, the city's Major League Baseball stadium, was reserved for a Friday night screening and celebration of 300, which became a surprise global hit for Warner Bros. in March.
Earlier in the day, fans packed one of the convention center's enormous halls (capacity, 6,500) to glean Snyder's thoughts about Watchmen, the movie he expects to make of...