Universal’s “Mamma Mia! Here We Go Again” and Sony’s “The Equalizer 2” are both on their way to overshooting box office forecasts, with an estimated $39 million and $33.21 million, respectively. “Mamma Mia! Here We Go Again,” playing at 3,317 North American locations, had been pegged in the $30 million to $36 million corridor, while “The […]