But did she slay? Photo: Universal Pictures Usually movie producers want to talk to The Town ’s Matt Belloni when things go right. After a particularly successful weekend or an unexpected box-office smash, they reach out, as the journalist and podcaster explained in his July 1 episode . They want to brag — and in a movie landscape so unpredictable, can you blame them? But Jason Blum didn’t call to brag. He had nothing to brag about. While M3gan was an overnight sensation back in the winter of