On June 18, 2019, the first poster was released. On June 28, Harley Quinn’s set photo was released. On July 21, the official concept map of Harley Quinn was announced. On August 31, the first preview pilot image was released. On September 18, the official poster was released. On October 1, four propaganda posters were announced. On October 2, the official trailer for Chinese characters was released. On October 5th, the crew of "Birds of Prey and Harley Quinn" appeared in the New York Comic Show. On October 7, a new promotional photo was released. On October 17, a 30-second TV preview was released. On December 5, a brand new poster was announced. On December 6, a new character poster was announced. On December 20, a batch of new stills and new set photos were announced. On December 26, the stills were released, and Harley Quinn and the "Women Army" led by herself left the scene of the destruction together.
On January 3, 2020, a brand new stills will be released. On January 10, a new trailer was released. On January 24, the IMAX version poster was released. On January 27th, the MV of the film single collection was released, and many new film scenes were also shown. On January 31, the behind-the-scenes special and massive stills were released.
