The Grinch opened within 5 million from Despicable Me 3, and it could finish close to the 260 million from The Grinch (2000). The Fantastic Beasts is unlikely to impact The Grinch at least a month out from now, and Fantastic Beasts, The Grinch, and Ralph Breaks the Internet are all going to compete with Mary Poppins on 12/19/18.