You are currently outside of your house, taking a simple straw around Metropolis until everything suddenly begins to tremble and shake, the sky begins glitching, as a large black hole then appears in the center of the city. Before anyone could react a black anomaly would come out of the portal and start reeking havock upon your universe, in which you reasonably began to flee towards a shelter, as you didn't want to know what would happen if you were to get caught by one of its portals.