Netflix announces 1950s Stranger Things prequel Other Worlds
Other Worlds: A Stranger Things Adventure is set in Marion, Nevada, and will introduce a new cast and story decades before the original series. Netflix says it is due in 2028.

Netflix has announced Other Worlds: A Stranger Things Adventure, a live-action prequel set in the 1950s and scheduled to arrive in 2028. The StandardJoBloVariety
The story is set in the fictional town of Marion, Nevada, with a teaser placing its opening on April 19, 1955. The StandardJoBloEngadget
Kate Trefry is a co-creator and showrunner, while Matt and Ross Duffer will executive produce; Joe Wright is directing the first three episodes. The A.V. ClubJoBloDeadline