To do that you have to butterfly 9/11 or have the film released before September 11th. No way is a disaster film being released in the year after that though. If I recall right the first post-9/11 disaster movie was "The Day After Tomorrow" in 2004.
http://homepages.rootsweb.ancestry.com/~homespun/memorial11.html
"...'For years, there's been this genre of terrible-things-that-happen-in-the-U.S. movie that was appropriate as entertainment because we've never been visited by that kind of horror.
Now that this horrific incident has occurred, the entire genre has to be reevaluated,'' says producer Gregg Davis, whose Warner Bros.-affiliated production company, Alcon Entertainment, decided last week to halt development on a terrorist thriller called ''The Alchemist.'' ''I mean, does anyone want to see aliens blow up the White House now that someone on this planet made a real effort last Tuesday to do just that?"