"Brave and the Bold"
Nightwing and Superboy have to get to the Fortress of Solitude if there is any hope of stopping Alexander Luthor Jr. The major problem in front of them is that the Batplane has been destroyed and Superboy is not 100%; feeling extreme pain every time he uses his powers. This story continues in Infinite Crisis #6.
Note: Animal Man,Superman and Wonder Woman are from the Titans of Tomorrow, a.k.a. Garfield Logan, Conner Kent and Cassie Sandsmark.