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,
Marvel UK Panini Comics obtained the license to print Marvel material in 1995 and took over the UK office's remaining titles. Reprints of American Marvel material had been published in the UK during the 1960s by Odhams Press under their Power Comics imprint. Titles such as "Smash!" and "Fantastic" featured a mix of Marvel reprint material and original non-Marvel work. This lasted till 1969 when the last superhero strip was removed from "Smash!", leaving no Marvel titles being reprinted in the UK at all. In 1972, seeing a gap in the popular weekly comics market of the UK, Marvel Comics formed their