On May 31, 2017, the screenwriter J.K. Rowling of "Fantastic Beasts: The Crimes of Grindelwald" revealed that he had finished writing the script. On August 15, the crew of "Fantastic Beasts: The Crimes of Grindelwald" made a live broadcast. Alison Sudor and Dan Vogler appeared for the Lumos Foundation Children’s Foundation founded by J.K. Rowling For charity, donors will have the opportunity to visit the crew of "Fantastic Beasts 2" filmed at the Leavesden Studio in London. In October, the film crew announced that the alchemist Nicholas LeMay and the Philosopher’s Stone from Harry Potter will appear in the film. On November 2nd, "Fantastic Beasts: The Crimes of Grindelwald" exposed a new set of photos, revealing the timeline of the film; on the 16th, the second part of the five-part "Fantastic Beasts: The Crimes of Grindelwald" was officially named "Fantastic Beasts" "The Crimes of Grindelwald", the first starring group photo and the Chinese film title logo were also simultaneously exposed globally.
On March 14, 2018, the film party exposed the first Chinese trailer. The male protagonist "Newt" appeared and invited Chinese fans to return to the wizarding world. On April 25, the six leading actors of the film attended CinemaCon, the American film industry conference. On July 21, the film was unveiled at the San Diego Comic-Con, and the second super-long Chinese trailer was republished. On September 25, the official release of the last trailer. On October 15th, the film producer announced that the mainland China region of the film will be in sync with the North American region on November 16, and at the same time the final poster for the US version will be released; on the 22nd, the trailer for the "Each One" version will be released; on the 24th, the film party will be released. Released the "Darkness Coming" version of the trailer and posters; on the 28th, the four main creators attended the premiere of the film in Beijing in China; on the 30th, the film party released a high-definition Chinese-style customized poster.
