Terrorism is not exactly a natural fit for screen comedy. Defiantly going where few have gone before — one rare prior example being the bumbling-jihadist satire “Four Lions” 15 years ago — “ Good News ” ekes a surprising degree of variably droll and raucous humor from its spin on a real-life hijacking that threw the governments of Japan, the U.S. and both Koreas into crisis mode over half a century ago. The latest from South Korean director Byun Sung-hyun (of the more pokerfaced crime thrillers “Kill Boksoon” and “The Merciless”) is an impressively ambitious, twisty construct that errs only in stretching out a bit longer than the tricky tonal balance can sustain. After well-received festival bows in Toronto and Busan, it launches worldwide on Netflix Oct. 17.

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