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,
Superhero comics characters including the Anti-Hero Spawn which were predominantly creator owned as opposed to Marvel and DC's which were corporate owned. The Comic Book Mini Series Kingdom Come brought an end to the popularity of the Anti-Hero and encouraged instead a reconstruction of the genre with superhero characters that endeavored to combine artistic and literary sophistication with idealism Superhero comics Superhero comics are one of the most common genres of American comic books. The genre rose to prominence in the 1930s and 1940s and has remained the dominant form of comic book in North America since the 1960s. Superhero comics feature