Are there speakers that disappear regardless of the recording?

If you want disappearance in locations other than the sweet spot, then you’ll have to look to Omni…. Ohm Walsh… Omni or as you mention MBL… Maggie’s aren’t in this category. I have never been a Ohm fan… but my partner had a pair when we met, she liked the indirectness of them.

As others have said, with some recordings your speakers will never disappear, ever.  

Now I'm speaking of listening from one position, not roaming the room. That said, the better the use and implementation of the acoustical space the more apt one is to realize the 'speaker disappearing act' on more and more recordings. 

Although (like in all cases) you can find some wonderful inexpensive speakers that do quite well at disappearing sonically, I have found that generally, GENERALLY speaking, more expensive world class speakers can do better at going away sonically more often than their more value-conscious and lower costing brethren. And that's fine. I have cheaper speakers I love quite a bit as well.

Very good electronics also help with openness.

Common on One Drivers from about 2-3 .$$$

Garbage in.
Garbage out.