grailworth

Aaron Stack (Machine Man / X-51)

109 appearances · First published 1977

Aaron Stack (Machine Man / X-51) appears in 109 issues in grailworth's catalog, and was first published in 1977. First appearance: 2001, A Space Odyssey #8 (1976), cover dated 1977.

First appearance

Cover of 2001, A Space Odyssey #8 (1976) 2001, A Space Odyssey #8 (1976)First appearance1977

Every appearance we value

2001, A Space Odyssey (1976) 3 issues

Amazing Spider-Man (2018) 1 issue

Avengers (1963) 3 issues

Avengers (1998) 5 issues

Avengers / JLA (2003) 1 issue

Avengers Forever (1998) 1 issue

Avengers West Coast (1989) 1 issue

Captain America (1998) 2 issues

Deadpool & the Mercs for Money (2016) 3 issues

Deadpool: Back in Black (2016) 1 issue

Deathlok (1991) 4 issues

Earth X (1999) 1 issue

Galactus the Devourer (1999) 1 issue

Generation X (1994) 2 issues

Hulk (2008) 1 issue

Hulk: Future Imperfect (1992) 1 issue

Incredible Hulk (1962) 6 issues

Iron Man (1968) 2 issues

Machine Man (1978) 19 issues

Maestro (2020) 1 issue

Maestro: War and Pax (2021) 1 issue

Marvel Comics (2019) 1 issue

Marvel Comics Presents (1988) 1 issue

Marvel Super Hero Contest of Champions (1982) 1 issue

Marvel Team-Up Annual (1976) 1 issue

Marvel Zombies 3 (2008) 4 issues

Ms. Marvel (2006) 8 issues

New Warriors (1999) 1 issue

Peter Parker: Spider-Man (1999) 1 issue

Red Hulk (2025) 10 issues

Thor (1966) 1 issue

Tony Stark: Iron Man (2018) 1 issue

What If...? Captain America (2026) 1 issue

X-Man (1995) 1 issue

X-Men (1963) 1 issue

X-Men: Phoenix (1999) 1 issue

Character appearances from the Grand Comics Database, CC BY-SA 4.0.