what films are coming out in december 2018?
['Ben Is Back. December 5, 2018.', 'Spider-Man: Into the Spider-Verse. December 6, 2018.', 'In Fabric. December 6, 2018.', 'Vox Lux. December 7, 2018.', 'Mary Queen of Scots. December 7, 2018.', 'December 7, 2018.', 'Bird Box. December 13, 2018.', 'Mary Poppins Returns. December 13, 2018.']