The Game Awards trailer for Metro Exodus reveals a release window for the latest game in the Metro series. Metro Exodus will be releasing Fall 2018 on PlayStation 4, Xbox One, and PC. The first person shooter takes place in a post-apocalyptic Moscow, in the year 2036.
Here is the Metro Exodus trailer from The Game Awards 2017:

Want to learn more about the world of Metro Exodus" Here’s the official story description:
The year is 2036.
A quarter-century after nuclear war devastated the earth, a few thousand survivors still cling to existence beneath the ruins of Moscow, in the tunnels of the Metro.
They have struggled against the poisoned elements, fought mutated beasts and paranormal horrors, and suffered the flames of civil war. But now, as Artyom, you must flee the Metro and lead a band of Spartan Rangers on an incredible, continent-spanning journey across post-apocalyptic Russia in search of a new life in the East.
Metro Exodus is an epic, story-driven first-person shooter from 4A Games that blends deadly combat and stealth with exploration and survival horror in one of the most immersive game worlds ever created.
Explore the Russian wilderness across vast, non-linear levels and follow a thrilling story-line that spans an entire year through spring, summer and autumn to the depths of nuclear winter.
Inspired by the novels of Dmitry Glukhovsky, Metro Exodus continues Artyom?s story in the greatest Metro adventure yet.
Metro Exodus releases Fall 2018 on...