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,
Hercules (Marvel Comics) Hercules (Marvel Comics) Hercules is a fictional superhero appearing in American comic books published by Marvel Comics. Debuting in the Silver Age of Comic Books, the character is based on Heracles of Greek mythology, although the name "Hercules" is associated with the version from Roman mythology. The character has starred in three self-titled limited series and been a perennial member of the superhero team the "Avengers". In 2008, Hercules debuted in his own series titled "The Incredible Hercules". The character was ranked 21st in IGN's list of "The Top 50 Avengers", and has appeared in various forms of media including