ANSWER:

You do not have to obey your mother in law and must not be alone with your brother in laws whatsoever.  Being with your parents is the right thing until he gets back. You should live in a separate accommodation away from his brothers as they are not your mahram. 

Hijab in front of brother in law in a Joint Family System | By Assim Al Hakeem

The Muslim woman and her brother-in-law | Assim Al Hakeem

She does not want to live with her husband’s family (IslamQ&A)

I lived with my in laws but few months ago my husband live outside the country so now Im living my parents my mother in law said I have to live with my in laws reason she give because my husband parents are there that’s why but I don’t feel comfortable bcz my two brother in law are also live

Dealings and Attitudes with In-Laws | January 8, 2018 5:50 pm
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Sheikh.. Is it really permissible to address my husband’s parents by calling them too as my “mother” and “father”? If it is not permissible, how should I address them with respect when talking to them??
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My motherinlaw is bing vry aggressive and vile towards me, I’m not allowd to sit with the family eat with the family n also cook for my husband or myself. She says I can’t eat the food she makes when she sleeps I go to kitchen to eat.She keeps calin me very hurtful names and brings my father and family into it,I only leave my room for work,husband says he won’t move out! What cn I do