The official details are below.
THE LEGION OF SUPER-HEROES IN THE 31st CENTURY #20
Written by: Jack Briglio
Art by: Phil Moy & John Stanisci
Metallo journeys to the future for the ultimate power source: Kryptonite! But if he destroys Superman, will the Legions fate unravel, as well? Dont miss the exciting conclusion to this amazing series! On sale November 12th, 2008.
A comic book spin-off for Batman: The Brave and the Bold is planned for a December 2008 launch, but that date is subject to change. Stay tuned for further updates.