LOS ANGELES, July 15 — Miramax Films will take the unusual and potentially risky move of releasing "Kill Bill," the much-anticipated Quentin Tarantino martial arts action-adventure film, as two movies, the first to open in the fall. Miramax will in effect be taking a three-hour film with a 200-page script and turning it into a serial. Harvey Weinstein, a co-founder of Miramax, which is financing the film, said in an interview on Monday that the first installment would be in theaters on Oct. 10. The second release date is in still being negotiated, but it could be two to six...