Happy 92nd Birthday, Jack Kirby!

Jack Kirby, the legendary comics artist who co-created Captain America, the Fantastic Four, the X-Men, the Avengers, and the Avengers, would have been 92 today, and the Kirby Museum's "Simon and Kirby" blog has a collection of some of his greatest covers -- including his non-superhero work on sci-fi, crime, fantasy and romance serials like...