Communist greetings, comrades.

I am currently researching for a pro-communist story set in the 23rd century of a parallel universe whose 20th century deviates from ours in that everything necessary for socialism to supplant capitalism (in the early 21st century) occurs.

My research pushes me to search for pro-communist alternative history spaces. Essentially, all I ever encounter are spaces fixated on arbitrary permutations of the distant past, modified WWI progressions, worlds without Marx or Marxism, or victorious Axis Power WWII/post-WWII settings.

Are there any explicitly pro-communist alternative history and science fiction spaces out there? If yes, please show me them. If not, please someone pioneer one/some. I will try to help with it/them, life permitting.

An r/ComAltHist (Communist Alternative History) would be a lifesaver. An r/ProComSFF (Pro-Communist Science Fiction and Fantasy), r/SciSocFic (Scientific Socialist Fiction), or r/MSFF (Marxist Science Fiction and Fantasy) would be wonderful, too.