While Suicide Squad was critically panned, the movie did $746 million at the box office, and elements like the characters' costumes and the soundtrack managed to stand out. As such, it was reported in 2017 that a Harley Quinn vs. The Joker movie featuring Margot Robbie and Jared Leto was in the works. Glenn Ficarra and John Requa were set to
A movie following Jared Leto's Joker was announced in June 2018, but like Harley Quinn vs The Joker, it was reported to have been canceled by February 2019. This is likely due, at least in part, to Todd Phillips' Joker project starring Joaquin Phoenix as the titular character without any ties to the DCEU, which came out later that year.