to consume them. The Phantom Zone is restored, and Mister Mind alters events in the 52 universes, creating new histories and a new status quo for each. The heroes trap him in the remains of Skeets' shell and send him back in time to the beginning of the year, where he is captured by Dr. Sivana, trapped in a time loop for all eternity. Will Magnus later rebuilds Skeets, using a copy he had made of the robot's memories. World War III Week 50 of 52 and the four-issue World War III limited series, which was released the same week, depict the superhumans' battle with Black Adam. World War III also depicts Aquaman's transformation into the Dweller of the Depths, Martian Manhunter's change in outlook, Donna Troy's assumption of the Wonder Woman mantle, Supergirl's return to the 21st century, Jason Todd pretending to be Nightwing, and Cassandra Cain being drugged to turn evil and join Deathstroke. Science Squad The Science Squad are a group of fictional scientists and mad scientists in the DC Comics Universe. The group was created by writer Grant Morrison who stated: "I love writing cowardly, petulant, irascible supervillains much more than I enjoy writing truly evil ones, so this whole plot strand was a joy from beginning to end". The members of the team are Veronica Cale, Doctor Death, Doctor Sivana, I.Q., Will Magnus, T.O. Morrow, Komrade Krabb, Dr. Tyme, and Robby Reed enemies Doctor Cyclops, Baron Bug, and Dr. Rigoro Mortis. They are commanded by Chang Tzu. They are featured prominently throughout the series, particularly in Week 46. Secret message Dan DiDio included a hidden message in his "DC Nation" column in the back of Week 37. The message is spelled out using the first letter of every third word: "the secret of fifty-two is that the multiverse still exists". Collected editions The lead stories of the series are collected, with commentary from the creators and other extras, into four trade paperbacks: Volume 1 (collects #1–13, 304 pages, May 2007, ) Volume 2 (collects #14–26, 304 pages, July 2007, ) Volume 3 (collects #27–39, 304 pages, September 2007, ) Volume 4 (collects #40–52, 304 pages, November 2007, ) All 52 issues were also available in the 52 Omnibus hardcover (1,216 pages, November 2012, ). The collection has also been made available in a two-volume edition that includes bonus material after each chapter: Volume 1 (collects