This week sees the arrival of "Justice League 3000 Vol. 1: Yesterday Lives," collecting the first arc of the DC Comics series. Written by Keith Giffen and J.M. DeMatteis and illustrated by Howard Porter, the series stars the imperfect clones of Superman, Wonder Woman, Batman and other members of the Justice League, created in the year 3000 to save the universe.

Ahead of the Oct. 15 release, DC has provided CBR with an exclusive look at the trade paperback's bonus material; namely, Porter's character design sketches and page-creation process.

Check out the sketchbook pages and solicitation information below.

JUSTICE LEAGUE 3000 VOL. 1: YESTERDAY LIVES TP

Written by KEITH GIFFEN and J.M. DeMATTEIS

Art by HOWARD PORTER, RAYMUND BERMUDEZ and WAYNE FAUCHER

Cover by HOWARD PORTER

OCTOBER 15 • 176 pg, FC, $16.99 US

In the far-flung future of the year 3000, the Justice League still stands! Superman, Batman, Wonder Woman, The Flash and Green Lantern comprise the team, but how could these heroes still exist a millennium from now? Find out in these stories from issues #1-7 of the thrilling new series!