The Mummy 2 (late 2010s-early 2020s)

The Mummy 2 was a planned sequel to the 2017 The Mummy film.

Plot
Unknown

Why It Was Cancelled

 * 1) The Mummy (2017) bombed at the box office.
 * 2) The Mummy (2017) was intended to be the first film of the Dark Universe series, but other Universal Monster movies planned for the Dark Universe have all been scrapped.
 * 3) The Mummy (2017) does not take place in Egypt like the previous film series.

Result

 * 1) The film was permanently cancelled.
 * 2) The Mummy (2017) is a stand-alone film.
 * 3) Dracula Untold was considered to be the first film of the Dark Universe, but was downplayed.
 * 4) A Bride of Frankenstein reboot was planned for a 2019 release, but was cancelled.
 * 5) The Dark Universe was permanently scrapped.
 * 6) Universal Pictures and Blumhouse Productions decided to work on standalone Universal Monster movies that are not part of a cinematic universe. In 2020, The Invisible Man (2020) was released to positive reviews, and was not part of any cinematic universe.