Crash and Burn.

Junkrat and Roadhog, two of the most dangerous men that want nothing more than to cause havoc, have themselves in a bit of a pickle; parenthood. No, they didn't get someone pregnant, but they found themselves a little pegasus filly that claims they're her dads. While they'd dismiss her, she's too cute to pass up, and she does enjoy a good roasting, both literally and figuratively.

Recluse's True Victory

Lord Recluse, the overlord of the Rogue Isles, commonly known as "The City of Villains", is given the chance of a lifetime. After messing with some dimension technology, he's given a small equine dubbed Celestia. While she's considered cute, something he doesn't stand for, but seeing that she wields the power of the sun... well... this changes everything. Perhaps it is she who will bring Statesman, Paragon City, and world to it's knees... and be his protege.

The Dark side's Twilight

Darth Vader has himself an apprentice, something he has never seen; A unicorn named Twilight Sparkle. She was strong, but with his training, she will fully embrace the power of the dark side and become the most powerful being in the galaxy. Not even the emperor will see her coming.