Seeing the conversations around this topic in the post Most Western Parties Are Ossified and Failures I thought some folks might find value in this organizing guide created by USU. It draws from numerous articles they’ve written about organizing ML orgs from the ground up.
You can get them with stuff that doesn’t have Marx attached to it. Think of it this way, in the late 1800s when Lenin was translating Marx to read him, he had no reputation yet in Russia. So we can do the same thing. Bring them stuff that doesn’t necessarily directly mention Marx etc but is written by marxists nonetheless. There’s even more palatable communists, like Ho Chi Minh is generally “accepted”, Engels, in some places Castro is also regarded more neutrally.