Jack Power (Marvel Comics) Jack Power (Marvel Comics) Jack Power, currently known as Mass Master, formerly Counterweight and Destroyer, is a fictional character appearing in American comic books published by Marvel Comics. He first appeared in "Power Pack" No. 1 and was created by Louise Simonson and June Brigman. Jack was a founding member of the superhero team Power Pack. The second youngest of the four Power siblings, he was 8 1/2 years old when he was given his powers by Aelfyre Whitemane, a dying Kymellian noble. He continued to operate with Power Pack through their entire history. Jack Power was born in Richmond,
Crusaders (Marvel Comics) Crusaders (Marvel Comics) The Crusaders is a group of fictional characters appearing in American comic books published by Marvel Comics. The characters first appear in "The Invaders" #14 (March 1977) and were created by Roy Thomas, Jack Kirby, and Frank Robbins. The Crusaders first appear in the World War II title "The Invaders" and capture the crew of a crashed German bomber. Accepted by the British people, the team (Captain Wings, Dyna-Mite, Ghost Girl, the Spirit of '76, Thunder Fist, and Tommy Lightning) becomes the official protectors of the current king (George VI), thereby displacing the American superhero team the