Gilda and Derpy grow up with Sly, Bentley, and Murray as their brothers, where they work towards restoring the Cooper Legacy to its former glory by bringing the Fiendish Five to justice... and run from the law at the same time.
Sombra was defeated, but his soul survived and traveled to a new world. He joins Ichigo and his friends as they invade Soul Society in an attempt to save another... while trying to remember his long forgotten past and who he really is.
Adagio, Aria, and Sonata enter the portal in the statue's base and find themselves in a whole new world... one where they awaken new powers to replace what they had lost, and help Cole MacGrath save his city.
Rarity's curiosity gets the better of her and she steps through the crystal mirror. Now she's in an unfamiliar world, with an unfamiliar body, and she's cursed with being undead as well... and has to complete an insane quest to go home.
Spike and Ember grow up alongside Spyro as his siblings, and together they learn what it means to be heroes by protecting their home and taking down the various villains that cross their path.
Sunset Shimmer, Celestia, and Twilight Sparkle attend a meeting at Lord Zeno's palace, unaware that the ultimate battle between multiple universes was about to begin... and that they might be dragged into the battle as well.