http://wwws.warnerbros.co.jp/L-movie/ So... I've seen Death Note, and Death Note 2: The Last Name... but....
2 great movies, and a anime series with a great ending, even after seeing the movie, making you want more.
L: Change the WorLd is a spinoff, it's already come out in Japan, Hong Kong, and some other place that isn't America.
Here's the Plot. ( Taken from Wikipedia. )
Ken'ichi Matsuyama reprises his role as L Lawliet from the previous Death Note films. The film chronicles the final 23 days of L's life, and follows L as he solves one final case. L is the protagonist of this film. L has to stop a bioterrorist group that aims to wipe out much of humanity. A virus with ten times the infectiousness of Ebola killed everyone except for one boy in a village in Thailand. L takes the survivor and a junior high school girl named Maki Nikaido under his wing.[1]
Shunji Fujimura also reprises his role as Watari, but, dying in The Last Name, he is dead early in this film. Despite being depicted on the promotional poster, Misa Amane and the Death God Ryuk have brief cameos in the film, appearing on screen for less than thirty seconds each. A video still of Light Yagami is also used in the film.
The film was initially intended to chronicle the events before L Lawliet met Kira, and when Naomi and L worked together. Instead, the film chronicles the last 23 days of L's life, after the Kira/Death Note Saga takes place.
If you wanna read about the whole thing, here's the wiki link.
http://en.wikipedia.org/wiki/L:_Change_the_WorLd