‘Mayday’ Review: Ryan Reynolds and Kenneth Branagh Are Unlikely Cold War Buddies in a Pleasing Eighties Throwback

Accelerated by artificial intelligence and an indefatigable firehose of content, the uncanny valley between real blockbusters and fake ones is disappearing at an exponential pace. Ten years ago, or even five, a movie like “Mayday” would have arrived in theaters, impressed audiences and entered the canon of slight but engaging fare to watch on repeat…