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,
Firebird (Marvel Comics) Zombies universe, Firebird is one of the heroes changed into a zombie. Firebird (Marvel Comics) Firebird (Bonita Juarez), is a fictional superhero character appearing in American comic books published by Marvel Comics. A former member of the Avengers and a member of the Rangers, she exists in Marvel's main shared universe, known as the Marvel Universe. Firebird is a notable Latina superhero. In the story "You Get What You Need!" published in "Incredible Hulk" vol.1 #265 (November 1981), writer Bill Mantlo and penciller Sal Buscema created the superhero team the Rangers. The team consists of western characters Bonita Juarez /