DUBAI: Despite the occasional shot at gravitas — along the lines of “Maybe Russians aren’t all bad. Maybe America’s not always that great” — this Apple TV action-comedy, set in the Eighties during the Cold War, is a lowbrow but entertaining romp based around the unlikely bromance between a US Navy fighter pilot and an ex-KGB agent. The pilot is Troy Kelly (Ryan Reynolds), a maverick (yes, there are “Top Gun” references throughout) but brilliant flyboy who accepts a black-ops spying mission in th