Justice League of America vs. Amazo (1993) comic books
Justice League of America vs. Amazo Kellogg's Cinnamon Mini Buns mini comic (measuring 1-1/4 x 4-1/4 inches). This mini-comic was released in some areas in 1993 with Kellogg's Cinammon Mini Buns cereal. There are three other comics in the Cinnamon Mini Buns giveaway series: Flash vs. Dr. Polaris, Superman vs. Metallo, and Wonder Woman and the Star Riders. These were mailed in a flat, white envelope with a thank-you card. No artist or writer listed.