A teaser for Noah Hawley's Alien: Earth TV series for FX was recently showcased at the D3 Brazil convention and the short video concluded with credits that revealed the series will take place in the year 2120 and will be the first instance where a Xenomorph makes its way on Earth - essentially ret-conning the Alien vs. Predator timeline and events entirely. Additionally, new artwork for the show was photographed at the event, which you can see below:
Alien: Earth arrives next year, with new details to follow soon!