HANNA-BARBERA ADVENTURE SUPERSTARS I-MEN 2-Packs Blasting out of TV screens across the world come the I-Men line featuring the awesome power of the Hanna-Barbera Adventure Superstars! Build your I-Men collection with these exciting classic cartoon heroes: • Birdman and Avenger • Dynomutt and Blue Falcon • Thundarr and Ookla • Princess Ariel and Vapor Man • Meteor Man and Gravity Girl