Depends on who your target audience is. Why do you want to get people into Marxism and where do you think they should end by following the trajectory?

Is it people who have lost hope and spend their life on consumer distractions? Is it students who have bough into the lies of capitalism? is it workers who have fallen into the trans of propaganda? It is your duty to study your environment and decide which approach should you take best. I can't recommend you anything concrete, because I'm not part of your community and I don't understand what's going on there, on the ground.

But you've done some work already and have noticed that people get turned away by big words. You are not going to get those people to read the big books, that much is clear. You can either transform the theory into a simplified version yourself or link something like Second Thought to them. If you end up getting them to go outside and start building socialism nice, if not then change your approach. Personally I judge the results based on how many people we can get to join our efforts in building something and I say we because doing anything alone is kind of antithetical to Marxism.