Turnout remains softer than expected at the international box office, where “Superman” added $45.2 million in its second weekend.

Warner Bros.’ “ Superman ” held the No. 1 position at the U.K. and Ireland box office for a second weekend, adding £4.8 million ($6.5 million) and bringing its total to £16.3 million ($22 million), ac...

With Superman having already surpassed the box office of Superman Returns after just two weeks in theaters, Routh noted that the movie’s “successful launch” is “just good for everybody who wants more ...