Presents various adventures in which Batman, Superman, Wonder Woman, and other superheroes join forces to battle Umbra, Mirror Master, Red Tornado, and Dr. Sivana.

"Superman created by Jerry Siegel and Joe Shuster. Batman created by Bob Kane. Wonder Woman created by William Moulton Marston." "Originally published in single magazine form as Justice League Unlimited 11-15"--T.p. verso. "As seen on Cartoon Network"--Cover.

Postcards from the edge -- Old school -- Nuts and bolts -- Everybody Limbo! -- Urban legend.