Continue the story in one sentence

[PonyCommunist 7]

Red

[Lightning Shade 783]

Then batman appeared jumped off a building, landed on a plane, hijacked the plane, threw the pilot out of the plane, saved the pilot but forgot his parachute, fell onto a large trampoline, hit his head on a brick, got hit by a speeding car, got a ticket for parking the bat mobile in a no parking zone, got arrested for drunk driving, and lived the rest of his life in jail cause he beat all the inmates up.

[~Rule 63~ Lyeco 527]

Then superman breaks batman out of jail and together they beat Lex Luthor

[Party Cannon 876]

But the authorities catch up with both of them, charging them with multiple felonies.

[TotalNeon 72]

But then Spider-man turns up and webs up the police men, letting Batman and Superman go free despite the fact they are from warring comic book companies

[verycreativeusername 1,800]

Except for one person, who's name is unknown.

[Thunderchild 875]

The unknown person embarks on a quest to turn Rarity back into herself-thus restoring balance to the cosmos.

[Party Cannon 876]

The sales are of no use and most die from poor unsanitary amputations.

[Lightning Shade 783]

And then this guy ruled the world

[~Rule 63~ Lyeco 527]

Then Sephiroth killed him 

[Derpamena Diane Pie 13]

Them he died from… me

[Arsen 108]

Or so she thought...

[Derpamena Diane Pie 13]

Nope. I'm pretty sure he's dead.

[mehguy22 64]

He did die from Derpy, end of that debate.

Then the ponies' advanced technology and understanding of physics drove them to finally go to space and create the organization that my signature picture shows you. (If you still don't know, it's the Equestria Space Organization)

[Enigma Stitch 51]

The doctor appears and reverts every event that has happened to the start of this topic.

[Lightning Shade 783]

and time screwed up and the world became  different where things did not occur the same as before, allowing entirely different events to occur...

[Guest]

World wars broke out due to this somehow causing new ice age

[verycreativeusername 1,800]

Then humanity destroyed itself, the end.

Edited August 3, 2013 by Roman Bellic

[Winona the Dog 1,984]

But it wasn't over as Doctor Whooves went back to the future just in time.

[Enigma Stitch 51]

Bacon trees began to grow in the everfree forest.

[Proper Pinkie Pie 8]

But the bacon was burnt, and milk dripped off of it.

[Enigma Stitch 51]

And the milk was the best chocolate milk ever.

[-D1SCORDANT- 1,080]

And every one lived happily ever after, until zombies came.

[Winona the Dog 1,984]

The zombies were controlled by none other than Discord.

[Nerdy Luigi 2,065]

So Twilicorn enlisted the help ofher companions to defeat the zombies