Batman / Superman / Weird Al: World's Weirdest #1

AN ALL-NEW, OVER-SIZE, "WHA-HUH?" TEAM-UP ADVENTURE! The fifth dimension is being hit with an affliction that turns everything dull and ordinary, but as Mr. Mxyzptlk reaches out to Superman and Batman for help, the same plague has hit Earth! There's only one person to call: "Weird Al"! Get ready for a wild one-shot where the one and only "Weird Al" Yankovic joins the World's Finest team!

Characters: Batman, Beast Girl, Elasti-Girl, Flash (Barry Allen), John Stewart, Joker, Lex Luthor, Mister Mxyzptlk, Mister Nobody, Mister Terrific (Holt), Mrs. Nyxly, Negative Man, Robotman (Cliff Steele), Superman, Weird Al Yankovic, Zatanna