Following the cancellation of the third, 1996–2003 Supergirl comic book series which starred the Matrix/Linda Danvers version of the character, a modern version of Kara Zor-El was reintroduced into the DC Comics continuity in issue #8 of the Superman/Batman comic book series titled "The Supergirl from Krypton" (February 2004).
Setelah pembatalan seri buku komik Supergirl ketiga, 1996–2003 yang dibintangi karakter Matrix/Linda Danvers, versi modern Kara Zor-El diperkenalkan kembali ke dalam kontinuitas DC Comics dalam edisi #8 dari Superman/Batman seri buku komik berjudul "The Supergirl from Krypton" (Februari 2004).