The downside to the new Planet of the Apes series is the films are so FX-heavy that they take a long time to make—and you may forget a new one is coming. War for the Planet of the Apes is on the horizon, though, and it’ll be introduced to the world as part of New York Comic-Con next weekend.
Source: io9 – Caesar Will Face a Powerful New Adversary in War for the Planet of the Apes