Re-Ron will have AJ either trying to have a relationship with Michael so that he can steal his trust fund or hooking up with Sam similar to what Scotty tried to do with Susan Moore to steal Daniel's money. AJerk can't get a decent job on his own and no one outside of Monica will ever willingly give him any money. If the spumors are true and Monica loses the Q mansion because AJ jumps bail, then he would lose his cash cow.
I also can't imagine why Michael would want anything (and I mean anything) at all to do with AJ. Michael is old enough to know what AJ did to his family (killed his baby brother, kidnapped him, Morgan & Kristina and was going to sell the other two of them, almost killed his mother, tried to frame his mother for murder and constantly was harassing her, that he shot Alan, that AJ let Michael think that he killed him). He should remember how scared and terrorized Kristina was when she was kidnapped - all due to AJ.