The start of the new DC cinematic universe is projected for a $130 million domestic opening Warner Bros./DC Studios’ “Superman” is off and flying at the box office with $22.5 million from preview screenings, the most for any film this year. That total is nearly double the $11.5 million preview total of Marvel’s “Thunderbolts*” and the $12 million preview total of “Captain America: Brave New World.” Such a strong start is to be expected given that, over the past decades, top superhero films have