Written by Bill Willingham, art by Justiniano and Walden Wong, cover by Walter Simonson. The adventures of the Shadowpact continue in this 48-page Special by the Day of Vengeance creative team: writer Bill Willingham, artists Justiniano and Walden Wong and cover artist Walter Simonson/ The Shadowpact returns -- joined by Zatanna, Captain Marvel, the Phantom Stranger, Madame Xanadu and others -- to stop the Spectre's deadly rampage.