FusionFall: Worlds Collide

Cartoon Network Universe: FusionFall: Worlds Collide was a prequel manga to FusionFall. While the game uses the Alien Force/Ultimate Alien era of the Ben 10 characters, the manga uses the original series versions of the characters.

The full manga can be found as a PDF here.

Ben 10

 * Ben Tennyson
 * Four Arms (x2)
 * Upgrade

The Powerpuff Girls

 * Blossom
 * Bubbles
 * Professor Utonium
 * Mojo Jojo

Codename: Kids Next Door

 * Numbuh Two
 * Numbuh Five

Dexter's Laboratory

 * Dexter
 * Computress
 * Dee Dee
 * Mandark

Foster's Home for Imaginary Friends

 * Mac
 * Bloo

Ed, Edd, n Eddy

 * Ed
 * Edd
 * Eddy

Samurai Jack

 * Samurai Jack

Megas XLR

 * Coop
 * Jamie