'Avengers' conquer world box office as U.S. audiences wait
By opening early abroad, movies like the Disney release 'The Avengers' build box-office momentum from their most avid audiences — foreign moviegoers who love spectacular action sequences on the big screen.With a quarter of a billion dollars already in its pocket from a week of ticket sales, the Marvel superhero mash-up"The Avengers"is poised to join Hollywood's most elite club — the brotherhood of billion-dollar box office movies.