Summary - Five years since Zim, Gir and his sister, Zia (Eris345 's OC) landed on Earth, he was trying to fix the comms to report to his leaders... which he suddenly gets attacked by Dib with Zia trying to stop them but they were suddenly in a laboratory along with other strange people as well.

Two young boys named Jimmy and Dexter explained that their enemies have grouped together as the League of villains to resurrect a great evil; even worse then Aku himself. At first, Zim rejects it... until he discovers a horrible truth.

Franchises

1. Invader Zim - Zim, Dib, Tallest Red and Purple
2. Dexter's lab - Dexter and Mandark
3. Jimmy Neutron - Jimmy, Gorgeous and Prof Calamitous
4. Secret Saturdays - Saturday family and Argost
5. Ninja turtles (2012) - Leo, Donnie, Raph, Mikey and Shredder
6. Samurai Jack - Jack, Aku and his daughters
7. Danny Phantom - Danny and Vlad
8. 9th Grade Ninja - Randy, Hannibal and Viceroy
9. American Dragon - Jack and The Huntsman
10. My life as a teenage robot - Jenny and Vexus
11. Ben 10 - Ben, Rook and Vilgax
12. Generator Rex - Rex and Van Kleiss
13. Kim Possible - Kim, Shego and Dr Drakken
14. Robotboy - Robot boy and Dr Kamikazi
15. Glitch tech (Suggested by Eris345 ) - Five, Miko, Ally, Alpha and Queen of glitches

A/N - Samurai Jack takes place before S5, and other things as well. Hope you guys like this idea and if you did, leave a comment and have a good day!