Apocryphus
Apocryphus (Marvel, typically from Earth-1952) appears in 6 issues in grailworth's catalog, and was first published in 1992.
Deaths
Every appearance we value
Avengers (1963) 2 issues
Avengers Forever (1998) 2 issues
Force Works (1994) 2 issues
Character appearances from the Grand Comics Database, CC BY-SA 4.0.