NEW YORK — “The Fall Guy,” the Ryan Gosling-led, action-comedy ode to stunt performers, opened below expectations with $28.5 million, according to studio estimates Sunday, providing a lukewarm start to a summer movie season that’s very much to be determined for Hollywood.The release from Comcast’s CMCSA, +0.86$100 million-plus launches. (In 2023, that was “Guardians of the Galaxy Vol. 3” with a $118 million debut. ) But last y ...