Godzilla (Jan de Bont)

Before Rolland Emmerich was attached to direct Godzilla, Jan de Bont, the director of Speed and Twister wanted to direct the film.

Plot
The plot would have been the same as the 1998 film.

Why It Was Cancelled

 * 1) The only known reason why the film was cancelled, because it the budget was too expensive.

Result

 * Jan de Bont decided to direct Speed 2: Cruise Control after being contractually obligated by 20th Century Fox to make a sequel to Speed.
 * Rolland Emmerich directed the Godzilla film instead.