Via web search reviewing, In particular, Jose Porfirio Miranda found Marx and Engels to be consistently opposed to deterministic materialism and broadly sympathetic towards Christianity and towards the text of the Bible, although disbelieving in a supernatural deity. Marxism and religion? - https://en.wikipedia.org/wiki/Marxism_and_religion#:~:text=In%20particular%2C%20Jose%20Porfirio%20Miranda,disbelieving%20in%20a%20supernatural%20deity