Jack Power
| Use attributes for filter ! | |
| Played by | Bradley Machry |
|---|---|
| First appearance | Power Pack No. 1 (August 1984) |
| Notable alias | Mass Master, Counterweight, Destroyer |
| Creators | Louise Simonson |
| June Brigman | |
| Affiliations | Power Pack |
| Date of Reg. | |
| Date of Upd. | |
| ID | 2368687 |
About Jack Power
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.