What comic book publisher first published  "The Button", a 2017 comic book crossover and published "Doomsday Clock" an upcoming superhero comic book limited series?
Doomsday Clock (comics) Doomsday Clock is an upcoming superhero comic book limited series published by DC Comics. The series is being written by DC's chief creative officer Geoff Johns with art from penciller Gary Frank and colorist Brad Anderson.
Phantom Zone The Phantom Zone is a fictional prison dimension appearing in American comic books published by DC Comics, commonly in association with stories featuring Superman. It first appeared in "Adventure Comics" #283 (April 1961), and was created by Robert Bernstein and George Papp. It was frequently used in the "Superman" comics before the continuity was rebooted in the 1980s, after "Crisis on Infinite Earths", and has appeared occasionally since.