Supergirl
Supergirl (Matrix (Pocket Universe), 1988-1996, 2000-2002) appears in 35 issues in grailworth's catalog, and was first published in 1988. First post-Crisis appearance: Superman #16 (1987), cover dated 1988.
First appearance
Every appearance we value
Action Comics (1938) 1 issue
The Darkstars (1992) 2 issues
The New Titans (1988) 2 issues
Showcase '95 (1995) 1 issue
Supergirl (1994) 4 issues
Valor (1992) 2 issues
Zero Hour: Crisis in Time (1994) 4 issues
Character appearances from the Grand Comics Database, CC BY-SA 4.0.