Paramount Pictures has released the first trailer for Gemini Man, director Ang Lee's sci-fi thriller that sees Will Smith playing an assassin tasked with hunting down his own clone. Smith will pull double duty to portray both roles, with Lee using de-aging VFX—similar to the technology used in Captain Marvel and The Irishman—to portray the 50-year-old actor hunting down is 23-year-old self. Gemini Man marks the latest leap in Lee's technological tinkering. The Academy-Award-winner shot his last film, the war drama Billy Lynn's Long Halftime Walk, in …