Superman' ruling supreme with $55M second weekend. 'I Know What You Did Last Summer' Ho-Hum $13M, 'Smurfs' $12M Opening.

None of the week's new releases — "I Know What You Did Last Summer," "Smurfs," and "Eddington" — came close to touching Warner Bros. and DC Studios' superhero success.

Superman is Marvel’s kryptonite at the box office. The first DC Studios movie, written and directed by Guardians of the Galaxy helmer James Gunn, has grossed $235 million at the domestic box office ...