Against all the magic that Equestria can conjure... All the wickedness that mankind can produce...We will send unto them... only you...Rip and Tear...until it is done.
After the Black League fired their nukes, they fled into their bunkers. But, when they went off, the whole of Russia's underground bunker network disappeared... Only to reappear in a very different Russia.
After the start of the conversion war. A mysterious rainbow maned Pegasus mare shows up to give aid to humanity. However, no one knows why, but one man is determined to find out.
In 2018, a radioactive asteroid was discovered heading towards Earth. By 2027, the UN had built a bunker to hold 400,000 people and Cryogenics were used to keep humanity frozen for 1,000,000 years. When they awoke, they found the survivors enslaved.
The Conversion War is over, ponies have lost a war caused by their formally beloved leader Celestia. Reservations in the former Equestrian state have been set up, while humans move into the new state of Lincoln.
When Equestria appeared on Earth, they seemed friendly at first. But the nation showed it's true colors when they declared war, calling humans a 'vile' and 'unfit' species. Just as all hope for humanity seems lost, the SCP Foundation takes action.
When Humanity met Ponykind, things went poorly for humanity. A Unicorn named Prancer travels back in time, and sets out to solve the "Human problem" with a magical virus that'll "take the evil out of Humanity". What could possibly go wrong?
Luna, stricken with grief of her sister's death is possessed by Nightmare Moon who seeks to enslave humanity. The cover art should give away the obstacle she encounters.
Two army men are sent into a world of violence and killing by the hands of a man who took over Equestria and puppeted Luna... Will they be able to save Eqestria from doom? *DO NOT READ IF YOU DON'T LIKE IT. THANK YOU!*
The ponies tried many ways to convert humanity into ponies, failing countless times. Eventually they simply chose to let the Barrier handle them. Unfortunately though, they are going to meet something that doesn't take too kindly to them.
Humanity does not have much. They do not have claws, they do not have thick pelts, they do not move faster than their prey. So they take from those they defeat. They make their enemies strengths their own.