Nikki
Nikki (typically from Marvel's Earth-691) appears in 31 issues in grailworth's catalog, and was first published in 1976.
Every appearance we value
Avengers (1998) 1 issue
Fantastic Four (1961) 1 issue
Guardians 3000 (2014) 1 issue
Marvel Presents (1975) 4 issues
Marvel Two-in-One (1974) 1 issue
Silver Surfer Annual (1988) 1 issue
Thor (1966) 2 issues
Character appearances from the Grand Comics Database, CC BY-SA 4.0.