Ben 10 Could Easily Make an Adult Series, Says Creator

Duncan Rouleau isn't weighing out a story that would see Ben Tennyson and company in a far more mature setting.

Ben 10 Creator Teases More 'Mature' Reboot Series Inspired by the MCU

Tyler, the Creator - Wikipedia

Ben 10,000, Ben 10 Wiki

Omnitrix, Ben 10 Wiki

BEN 10™: FOR SCIENCE! Original Graphic Novel New Look - BOOM! Studios

Ben 10: Ben 10000 by Sadayoshi-Entertain on DeviantArt

Why Ben 10 would grow up to be a messed up adult

Ben 10 (TV Series 2005–2008) - IMDb

Would a team up movie with Ben 10, Generator Rex, The Secret Saturday's, Jonny Quest, Danny Phatom, Mighty Max and Kim Possible work? Why or why not? - Quora