You prepared for a crazy answer? Cause that's what you're gonna get.
So. A couple years ago some demons were all "rawr, lets let Lucifer out of hell." And they went around breaking the seals to his cage. One of the seals was a barrier between dimensions. Surprise! You won the lottery that ends with you getting sucked out of your time and your world into an alternate dimension where we're trying to avert the Apocalypse. It kinda sucks.