Although you will find it hard to accept someone as your superior today, do so as this is temporary.
You will find it hard to accept a certain person as your superior today, but you will have to put up with this for now and tow the line. It looks likely that this situation is going to change and for whatever reason, this is a temporary arrangement. Know this and you will find it easier to accept things as they are for today. Do not fight against it and cause conflict.