Back in Gotham City, the Batman began analyzing the vast multiverse which the Mad Doctor had torn a hole in. Taking his lessons from Equestria to heart, the Batman had taken to befriending the Flash and Cyborg from Central City and Detroit respectively. With Cyborg's technological expertise and the Flash's access to S.T.A.R. Labs, Batman could figure out how to harness interdimensional travel on a scale much more efficient than what the Mad Doctor had been attempting.
And on the Equestrian side, the repercussions of Batman's visit were beginning to manifest. Rarity came up with a plethora of designs for her new bat themed fashion line called "Bat Mod". Twilight had begun to read up on the bat mythologies of Equestria, and, with Fluttershy, volunteered to help bat habitats in Ponyville. Applejack and Rainbow Dash started taking care of the bats near Sweet Apple Acres. And Pinkie Pie threw a bat themed celebration party to commemorate the defeat of the Mad Doctor.