Ben 10 (Character) - Comic Vine

A 10 year old boy who came to possess the Omnitrix a device that allows him to transform into 1,900,003 different aliens; each with their own unique powers. Now older and possessing the Ultimatrix (an upgraded Omnitrix) Ben 10 is known as the greatest hero of the universe. Although now having an even better Omnitrix than its predecessors, Ben again considers himself the greatest hero and saved the universe a "billion times."

Michael Morningstar(Ben 10) vs. Rogue(Marvel) - Battles - Comic Vine

Your favorite character runs a Original Ben 10 gauntlet. - Battles - Comic Vine

Ben 10 Comic Art Style by WhiteSnakeArt55 on DeviantArt

Ben 10 (Character) - Comic Vine

Ben 10 Aliens - Gen. Discussion - Comic Vine

Ben 10: Ultimate Alien Characters - Comic Vine

Biomnitrix Unleashed - Vine-Oh by rizegreymon22.deviantart.com on @DeviantArt

Secret Wars (2015 comic book) - Wikipedia

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Fantastic 4 vs Ben 10 - Battles - Comic Vine