James Gunn's tentpole appears to be succeeding in rebooting the Warner Bros.-owned DC and its most prized superhero franchise. Elsewhere, 'Jurassic World Rebirth' bites off a huge $500 million globally.

"Superman" is well-liked and should play for weeks in the U.S., but DC's path back to tentpole powerhouse status will take time.

Warner Bros.’ “ Superman ” debuted atop the U.K. and Ireland box office with £6.9 million ($9.4 million), according to Comscore.