DCU: Alliance Against Future.

Prologue:
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"In the future..."

*Shows 3, giant flying ships and smaller ships flying towards earth, as superhero bodies fly around and get blown around.*

"From the future, Lex Luthor transported to us in the past to inform us of Brainiac's raid. He said the world would be taken care of, every human in it, and in Brainiac's control. But he admitted, not even the villains want to wipe humanity; They just want power. So, he brought a great weapon. The weapon? A wave. A wave of power. Humans all over the place were given power, abilities!"

Shows a bunch of people glowing, and then a costume forming over them.

"But not all of them will be good..."

Shows someone in a fiery background, with a demonic mask.

"But they're still on our side in a sense. We're all against Brainiac, and now that we are taken down in the future, the pasty has been altered, meaning the future has as well. We're still hurt, but now, the many people who were turned powerful now exist in the future. And the catch..."

The person who has been narrating steps from the shadows...Batman. Who also step out next to him? Superman and Wonder Woman.

"We will mentor these heroes, as we are the only three heroes in action. If any more get healed, they will mentor as well. But we are not the only mentors... The Joker."

Shows the Joker, being a wacky criminal.

"Lex Luthor."

Shows the cyberneticly-enhanced evil-doer hovering in the air, showing off blasters.

"And Circe."

A lesser-known character, an evil mistress trained in sorcery, had glowing eyes. She stared into the viewers, as her hands started glowing.

"They will mentor the villains. While we are all against Brainiac, it doesn't change our actual faction. As long as we stop Brainiac, they can be as evil as they want. We'll still stop them. How? Because..."

Batman, Superman, and Wonder Woman turn around, staring at a large number of tweens, to teens, to young adults.

"We are the heroes."

We then see Joker, Lex, and Circe mimic the exact same pose, staring at the same number of people.

"We are the villains."

"And we are," they all start, "The alliance against the future."
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Just a quick prologue. Thought it would help explain the plot.

sounds amazing, Ex i'll probably read this more often

You had me at The Joker....

This looks promising.

Also, here are some names of my made-up heroes-villains.

Heroes:
Leash
Arrow-Thorn
Sunsol
Chameleon

Villains:
Razor Spine
Hotstreak
Cat Burglar
Peacock

That is definitely not all of the heroes/villains, but just some. And yes, only names. I want you guys try to figure out gender/powers on your own.