This is how you get out of the bubble before Eye of The Storm Starts.
1. Use your hearthstone.
2. Queue up for Eots
3. Enter Battleground when it comes up
4. Click "Help Request"/The Question Mark on the bottom of your screen
5. Click "Open a ticket"
6. Click "Stuck"
7. Click "Auto-Unstuck"
8. POOF! Your outside the Bubble!
Sadly you cant go out any farther or you'll get respawned back inside the bubble :confused: