Ant-Man is a superhero film in the Marvel Cinematic Universe, where Paul Rudd portrays the titular character, Scott Lang. Scott Lang is a former thief who becomes the Ant-Man after being recruited by Dr. Hank Pym. The movie follows Scott as he learns to harness the power of a suit that allows him to shrink in size but increase in strength. With a mix of action, humor, and heart, Ant-Man showcases Paul Rudd's versatility as an actor and his ability to bring charm and wit to the superhero genre.