Gotham City's Dark Knight must follow his greatest foe, The Joker, to Metropolis after the Clown Prince Of Crime has stolen a very rare statue that just happens to be made of solid kryptonite. Can Batman reach The Joker in time before he uses the kryptonite on The Man of Steel???

Life in Metropolis is about to get alot more interesting. Gotham City's most hideous criminal mind, The Joker, along with his sweetheart, Harley Quinn, are on their way with 20 pounds of kryponite to make Superman's life miserable. Can Superman stop the Joker and Ms. Quinn?? How will he co-exist with The Dark Knight, as the two heroes meet for the very first time??

The Metropolis ace reporter is about to get one major story; "The Joker and Batman Invade Metropolis." How will the fiesty Ms. Lane handle two superheroes in her life, in addition to the arrival of billionaire Bruce Wayne?? Lois certainly will have her hands full. But she's used to that.

What do you do when you are the most ruthless criminal in Gotham City and you are flat broke?? You steal 20 pounds of kryptonite and head to Metropolis to sell it to the city's richest and most diabolical man, of course. How will the Joker be able to deal with one of the world's most evil and most ingenius men, Lex Luthor?? The Joker knows that his old foe, Batman, as well as the Man of Steel will be hot on his heels.

The mischievous and deadly Ms. Quinn will be right at her "Puddin's" side as he heads to Metropolis with his chunk of kryptonite. How will the giddy yet dangerous Ms. Quinn handle Metropolis and the competition in Luthor's bodyguard, Mercy Graves??

Lex Luthor is one of the most powerful and dangerous men in Metropolis. When the Joker makes him an offer he cannot refuse, has he made a deal with the devil?? Or can he outsmart Gotham's Clown Prince of Crime and destroy both Batman and Superman on his own??

Mercy Graves is Lex Luthor's right hand hench girl. She's about to get some competition in the form of the Joker's main squeeze, Harley Quinn. How will these two beautiful yet deadly femme fetales co-exist with Batman and Superman around??