MARY POPPINS RETURNS Teaser Trailer Here is the first MARY POPPINS RETURNS teaser trailer! The film, directed by Rob Marshall (Into the Woods, Pirates of the Caribbean: On Stranger Tides), stars Emily Blunt, Meryl Streep, Colin Firth, Angela Lansbury, Ben Whishaw, Lin-Manuel Miranda, Emily Mortimer, and Dick Van Dyke. MARY POPPINS RETURNS will be released in theaters on December 19. In Depression-era London, a now-grown Jane and Michael Banks, along with Michael’s three children, are visited by the enigmatic Mary Poppins following a personal loss. Through her unique magical skills, and with the aid of her friend Jack, she helps the family rediscover the joy and wonder missing in their lives.