Paul Thomas Anderson is back with a new film, his first in four years and his first team-up with Leonardo DiCaprio.Ahead of the movies full trailer, a brief teaser debuted online, revealing that the secretive projects full title isOne Battle After Another.Warner Bros. has released very few details about the films story, but various reports online claim it is inspired by the Thomas Pynchon novelVineland.Anderson previously adapted Pynchons 2009 novelInherent Viceinto a movie starring Joaquin Phoenix in 2014.You can watchthe firstOne Battle After Anotherteaser below.READ MORE:12 Titles That Make No Sense Until You See the MovieAlthough not featured in this very short teaser, the films cast also includes Regina Hall, Sean Penn, Benicio del Toro, Alana Haim, and Teyana Taylor.As Anderson and DiCaprio have worked on the project, there have been various reports online about the size of the movies budget; some claiming it is upwards of $100 million, or maybe even $140 million. Even on the low end, that would makeOne Battle After Another, Andersons largest movie to date in terms of scale. (The epicThere Will Be Blood only cost a reported $25 million to make; PTAs latest feature,Licorice Pizza, supposedly cost $40 million while grossing less than $35 million in theaters.)One Battle After Anotheris scheduled to open in theaters on September 26 including in IMAX, a first for Anderson. The films first trailer should debut next week.Get our free mobile appThe Best Movies of the 21st Century, According to LetterboxdAccording to thousands of users on Letterboxd, who rate movies on a scale of zero to five stars, these are the best movies released in this century.