Mass Master
Jack Power
- Also known as
Appearances
- Secret Wars II #60
- Spider-Man, Power Pack #1 — 1984-00-00
- G.I. Joe, a Real American Hero #24 — 1984-06-00
- U.S. 1 #10 — 1984-06-00
- G.I. Joe, a Real American Hero #26 — 1984-08-00
- Marvel Age Annual #1 — 1985-00-00
- Power Pack #6 — 1985-01-00
- G.I. Joe, a Real American Hero #33 — 1985-03-00
- The Transformers #4 — 1985-03-00
- G.I. Joe, a Real American Hero #34 — 1985-04-00
- G.I. Joe, a Real American Hero #35 — 1985-05-00
- Peter Porker, the Spectacular Spider-Ham #1 — 1985-05-00
- Power Pack #12 — 1985-07-00
- The Uncanny X-Men #195 — 1985-07-00
- The Transformers #6 — 1985-07-00
- G.I. Joe, a Real American Hero #37 — 1985-07-00
- Fantastic Four #282 — 1985-09-00
- Power Pack #14 — 1985-09-00
- Power Pack #16 — 1985-11-00
- Secret Wars II #6 — 1985-12-00
- The Transformers #11 — 1985-12-00
- G.I. Joe, a Real American Hero #42 — 1985-12-00
- Thor #363 — 1986-01-00
- Power Pack #18 — 1986-01-00
- Return of the Jedi Weekly #140 — 1986-02-22
- Power Pack #20 — 1986-03-00
- G.I. Joe, a Real American Hero #46 — 1986-04-00
- The Transformers #15 — 1986-04-00
- G.I. Joe, a Real American Hero #47 — 1986-05-00
- The Transformers #16 — 1986-05-00
- Peter Porker, the Spectacular Spider-Ham #7 — 1986-05-00
- The Transformers #17 — 1986-06-00
- Marvel Age Annual #2 — 1986-06-00
- G.I. Joe, a Real American Hero #48 — 1986-06-00
- G.I. Joe, a Real American Hero #49 — 1986-07-00
- Peter Porker, the Spectacular Spider-Ham #8 — 1986-07-00
- The Transformers #18 — 1986-07-00
- Peter Porker, the Spectacular Spider-Ham #9 — 1986-08-00
- Cloak and Dagger #10 — 1987-01-00
- ThunderCats #7 — 1987-05-02
- Marvel Graphic Novel: Cloak and Dagger and Power Pack: Shelter from the Storm #[nn] — 1989-00-00
- Daredevil #7 — 1999-05-00
- Daredevil Visionaries #[nn] — 1999-08-00
- Marvel Universe: Millennial Visions #1 — 2002-02-00
- Official Handbook of the Marvel Universe: Teams 2005 #[nn] — 2005-07-00
- X-Men and Power Pack #1 — 2005-12-00
- The Avengers and Power Pack Assemble! #1 — 2006-06-10
- The Avengers and Power Pack Assemble! #2 — 2006-07-00
- The Avengers and Power Pack Assemble! #3 — 2006-08-00
- Avengers and Power Pack Assemble! #[nn] — 2006-12-00
- X-Men Power Pack #[nn] — 2007-00-00
- Fantastic Four and Power Pack #2 — 2007-10-00
- Fantastic Four and Power Pack #4 — 2007-12-00
- Fantastic Four and Power Pack: Favorite Son #[nn] — 2008-01-16
- Skrulls vs. Power Pack #[nn] — 2009-02-25
- Power Pack Classic #1 — 2009-06-17
- Wolverine and Power Pack: The Wild Pack #[nn] — 2009-09-02
- Power Pack Classic #2 — 2010-05-12
- Thor and the Warriors Four #[nn] — 2010-10-06
- Power Pack Classic #3 — 2011-03-09
- FF #15 — 2012-04-00
- Deadpool: Back in Black #2 — 2016-12-00
- Marvel Masterworks: The Uncanny X-Men #12 — 2020-02-19
- Marvel Masterworks: Doctor Strange #10 — 2021-00-00
- New Mutants Omnibus #2 — 2021-00-00
- Fantastic Four by Jonathan Hickman: The Complete Collection #3 — 2021-05-12
- X-Men: Unforgiven #1 — 2023-05-00
- The Uncanny X-Men Omnibus #5 — 2023-06-14
- Marvel Masterworks: The Amazing Spider-Man #25 — 2023-12-20
- Power Pack: Into the Storm #[nn] — 2024-10-09
- Spider-Man: Holiday Spectacular #1 — 2026-01-00