Board Thread:Policies/@comment-220364-20130830011923/@comment-220364-20130830104342

True. And that's why I can understand having, using the Bat-Examples, New Earth, Prime Earth, Earth-One, and Earth-Two. But it can also be argued that the DCAU, Burtonverse, Nolanverse, and a few others are "main universes". And those are the ones fluctuating in and out.