baby mama drama and I think my in laws might hate me

Christina
So I have a situation. I've been seeing this guy and it's starting to become serious. The  more things progress the more worried I become because his family doesn't know about me yet and I'm scared that once they find out about me they aren't going to like me for two reasons. One being because he's full Puerto Rican and I'm half Puerto Rican and half black with brown skin and I don't speak any Spanish and the other reason is because he has toddler and his mother really likes his sons mother and really wants him to try to make things work with her and they might look at me as the person who broke up a family even though they were already broken up when I met him. Plus on top of the family maybe not liking me I'm scared his sons mother might try to sabotage and be petty and not let him see his son as often because she's mad that he's with someone else. I try not to think about it but I know if she did do something like that he would probably end things with me because the time spent with his son is more important than a relationship with me. Should I worry or should I just roll with the punches?