How could you distinguish being pulled out of the universe from being transported to a different part of it? If you're able to experience it, how could you know it's not an experience that's possible within the universe?
Are we even sure we have just the 1 universe? If the multiverse theory holds weight, and there are multiple "bubbles" of universes everywhere, wouldn't we kinda have to redefine the word "universe" to be the container for all of this? (Assuming it's not fractals all the way up/down)