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,
Fantastic (comics) Fantastic (comics) Fantastic was a weekly British comic book magazine published by Odhams Press under the Power Comics imprint. It first appeared on 18 February 1967, and with its 52nd issue on 10 February 1968 it merged with its sister title "Terrific". The 89th and final issue of "Fantastic" appeared on 7 September 1968, after which it was merged into "Smash!". "Fantastic" was different from the earlier Power Comics such as "Smash!" and "Pow!", which were essentially traditional "Beano"-style British comic papers supplemented by a small amount of material reprinted from Marvel Comics. In contrast, "Fantastic" (and later "Terrific" as