Join Batman and Superman as the World’s Finest team celebrates 25 issues of World’s Finest! This oversized special issue takes our heroes around the DCU and beyond--with a special lead story that will at last showcase the first meeting between The Joker and Lex Luthor. The World's Finest villains form an unholy alliance and will send chills down the spines of the DCU Heroes forevermore! PLUS: Spinning out of the events of the World's Finest Annual, Doom-Mite strikes and points the way to the next World's Finest epic!