Millennium Editions: Action Comics #252 - First appearance of Supergirl Front Cover Comic Details Character Supergirl; Superman Format Comic Book Publisher DC Comics Language English Collector Details Selling Price $2.25 Condition Very Fine Product Details Series Group Superman Series Millennium Editions: Action Comics Country USA Cover Price $2.50 Issue 252 Publication Date 2000 Notes Special reprint edition of a classic comic book story to celebrate the year 2000.