Dieselpunk
subgenre
The Rocketeer
1938, Los Angeles. Stunt pilot Cliff Secord stumbles onto a prototype jetpack hidden in his hangar by gangsters — and straps it on. As word of a flying man spreads, Cliff finds himself hunted by Neville Sinclair, a matinee-idol movie star secretly working for Nazi agents desperate to recover the rocket before it reaches Germany, with only his mechanic Peevy and his girlfriend Jenny standing between the jetpack and the Third Reich.
Sky Captain and the World of Tomorrow
1939, an alternate New York besieged by giant robots stomping through Manhattan. Mercenary pilot Joe 'Sky Captain' Sullivan and journalist Polly Perkins — his ex — race to uncover who is behind the attacks, chasing the trail across the globe to a hidden island fortress where a mad scientist's decades-old plan for 'the world of tomorrow' is finally coming to fruition.