Joe Ledger (Doctor Spectrum)
Joe Ledger (Doctor Spectrum) appears in 67 issues in grailworth's catalog, and was first published in 1971. First appearance: Supreme Power #2 (2003), cover dated 2003.
First appearances
Origin
Every appearance we value
Avengers (1998) 3 issues
Avengers (2018) 1 issue
Exiles (2001) 2 issues
Marvel Age Annual (1985) 1 issue
Sleepwalker (1991) 1 issue
Ultimate Power (2006) 1 issue
Venomverse Reborn (2024) 1 issue
Web of Spider-Man (1985) 1 issue
What If? (1977) 1 issue
Character appearances from the Grand Comics Database, CC BY-SA 4.0.