Batman / Superman: World’s Finest — DC Comics
Issue: #10
The deadly duo of The Joker and the Key have twisted the increasingly powerful Boy Thunder into a walking time bomb of destructive power! Batman and Superman's quest to guide young David toward the light takes an unexpected turn when the Teen Titans learn of the dark secret he's been hiding from the World's Finest!The Titans issue their ultimatum--tell Superman and Batman, or they will!
Creators: Rebecca Bohanan, Brandon Peterson, Marie Javins, Mark Waid, Steve Wands, Luis Antonio Delgado, Paul Kaminski, Dan Schoening, Tamra Bonvillain, Dave Wielgosz, Dan Mora, A.L. Kaplan
Characters: Dick Grayson, Batman, Joker, Superman, Tempest, Roy Harper, James Gordon, Donna Troy, Sinestro, The Key, Doctor Phosphorus, Joseph Martin, Wally West, Magog, Kingdom Come Superman