How to ask a potential spouse's Aqeedah?

Naṣāʾiḥ of Ibn Muneer - 0011

Q: Fulan, Famagusta TRNC, As Salaamu Alaikum Mufti. What is the proper way of asking a potential spouse’s aqeedah at a sit-down, if the place you come from, the label Sunni could mean many different things?

A: Wa-ʿalaykumu s-salāmu wa-raḥmatu llāhi wa-barakātuhu…It depends on the sister you’re looking to marry.
First and foremost, as we said, that when you wish to marry a sister, you should ask Allah firstly, and try your hardest to pick from a select, a select group. You shouldn’t just try to pick a sister from anywhere. But you should try to look for a sister’s hand in marriage that comes from a known background. Of deen, of character, of good health, of good looks, whatever the case may be. What you are looking for. Everybody understand this? And you shouldn’t just take any random sister in which you have to do all of the investigative detective work yourself. Because that leaves room for: lying, deception, that leaves room for you not being smart enough to pick up on it, whatever the case is. Huh? You pick from among something that is, select. Everybody clear on this or not? So you shouldn’t be sitting down with a sister and trying to marry a sister unless she comes from some type of well-known background.
As far as if you don’t have that liberty, you don’t have the option, there aren’t many Muslim women in Cyprus, or it’s a really nice sister who doesn’t come from a good family. Then that’s a different story.
What’s important is, the Prophet ﷺ, he tells us (arabic), he tells us about buying and selling. And about the buyer and the seller, and the merchants, and the giver and taker. He says, if they’re what? If they’re truthful, and if they’re open and outward with each other, (arabic), he says they have blessing in their contract.
So you wanna marry a sister be upfront with her, ask her things, be upfront. “This is what I believe, this is what I practise, do you do the same? And if you don’t know about this, you don’t practise this, are you willing to learn it? Are you willing to change?”. “I’m Muslim by name, I’m Muslim practicing this Bid’ah, this is where I come from, this is my family origin, I don’t know no better. We never knew about Aqeedah and Sunnah.” “No problem, but are you willing to learn it?” “Sure.” “Bismillah. Welcome aboard.” And if she says “No, I want to stick to my cultural Islam.” Then you say, “You have your way, I have my way, Allah is your Lord, and Allah is my Lord.” It’s just that simple. It’s just what? It’s just that simple. Hm? Please go back to the lesson, the lecture, the workshop seminar we did on marriage. In which we spoke on how to look for what? A good spouse. And Allah (سبحانه وتعالىٰ) knows best. With regards to word Sunni meaning several things, then be upfront. Be upfront. What you mean by the word Sunni, whatever word you want to use. Sunni, Salafi, Ashari, Maturidi, Habashi, whatever Aqeedah orientation a person may have. Just be upfront. And ask them upfront question. وَٱللَّهُ أَعْلَم

Note 1: Here's the video Mufti referenced in his answer. Marriage - In Light Of Kitab And Sunnah - hadithdisciple - YouTube
Video published on Apr 5, 2017

Note 2: This advice of "Mufti" "Abu Ramlah" Muhammad Ibn Muneer Abdul-Hameed was transcribed from hadithdisciple live - 06-11-2018 q&a - YouTube (12:42) (alternative link)
Video streamed live on Jun 11, 2018

‏اَلسَلامُ عَلَيْكُم وَرَحْمَةُ اَللهِ وَبَرَكاتُهُ‎

جزاك اللهُ خيرًا

مَا شَاءَ اللَّهُ لَا قُوَّةَ إِلَّا بِاللَّه

بارك الله فيك

اهْدِنَا الصِّرَاطَ الْمُسْتَقِيمَ

تقبل الله منا ومنكم