This issue is a variant of Action Comics (DC, 1938 series) #890 [Regular Direct Cover]. There exist further variants.
Two covers were initially done for this issue; one by featuring Lex Luthor as an Orange Lantern, and an alternate one featuring Lex dressed in a suit and tie (10 issues for 1 issue mixture). It also features "Blackest Night Aftermath" promotion on the cover.
For every 10 copies of the standard edition, retailers were allowed to order one copy of the variant edition.
Story continues in the next issue.
Ian talks about Batman #700, Superman #700, and Wonder Woman #600, and J. Michael Straczynski taking over the Superman and Wonder Woman titles. Appears on page 42 in this issue.
House ads for: Batman #701, Blackest Night hardcover, Justice League of America #46/Justice Society of America #41, Batman and Robin #13, What's Next - Great Graphic Novels You Should Be Reading (Batwoman: Elegy/Flash: Rebirth), Batman Black and White Arkham Asylum statue (first printing only)/Wonder Woman #601 (second printing only), and Brightest Day. Appear in various places in this issue.
Total of 3 one-page and 1 two-page ads for: Moonshadow: Rise of the Ninja (book, Little, Brown and Company), Unnatural History (TV, Cartoon Network, 2 pages), Let's Look Out For Each Other (Surfrider Foundation, first printing only)/Despicable Me The Books (books, Little, Brown and Company, second printing only), and Big Problems call for Big Solutions: Hero Factory (toys, Lego). Appear in various places in this issue.