If you are referring to the 2022 film Bullet Train starring Brad Pitt, the consensus in 2026 remains that it is a highly stylized action-comedy that leans heavily into "absurdist humor." The film is famous for its "comedy of errors" plot, where several assassins find themselves on the same train with overlapping missions. The humor is largely derived from the witty, fast-paced dialogue and the "odd couple" dynamic between characters like Lemon (Brian Tyree Henry) and Tangerine (Aaron Taylor-Johnson), who argue about Thomas the Tank Engine philosophy amidst bloody fights. While some critics find the humor "tedious" or "nihilistic," many viewers enjoy its slapstick elements and the sheer absurdity of the situations. It is "funny" in a dark, violent way—similar to Deadpool or Snatch—rather than a traditional family comedy. The cameos are a particular highlight for many, providing "laugh-out-loud" moments that reward viewers who are paying close attention to the intricate, spiderweb-like connectivity of the plot.