Independence Day 3

Independence Day 3  was a planned third film in the Independence Day series and wasn't known to have an official title. It was announced by Roland Emmerich shortly after Independence Day: Resurgence was released in theaters.

Plot
Jake Morrison, Dylan Hiller, Patricia Whitmore, and Dr. David Levinson form an alliance to take down new aliens.

Why It Was Cancelled

 * 1) Independence Day: Resurgence failed at the box office.
 * 2) Sometime afterward, Disney merged with 20th Century Fox.
 * 3) Dean Devlin decided not to make a third film following the poor box office performance of Resurgence.

Result

 * The film was permanently cancelled.