In their original forms, Space Ghost, Mightor, and Birdman didn’t get much in the way of character development. They got called into action, kicked ass, and had a hearty chuckle at the end of their adventures. But Future Quest adds tragedy and real stakes for the heroes that started showing up 50 years ago.
Source: io9 – Future Quest Is Creating a Fun New Superhero Universe for Hanna-Barbera’s Action Heroes