Box office: ‘Guardians’ blasts off with $145 million debut

“Guardians of the Galaxy Vol. 2” rocketed to an estimated $145 million debut in North America, kicking off Hollywood’s summer movie season with something the movie business has been craving: a sequel more successful than the original.
Director James Gunn’s second “Guardians” film opened 54 percent higher than the 2014 runaway hit, according to studio estimates Sunday.
That release, which introduced the intergalactic band of misfits played by Chris Pratt, Zoe S