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.
Ultimate Comics: Doomsday Ultimate Comics: Doomsday is a metaseries collection of three 4-issue comic book limited series published by Marvel Comics. All three series ("Ultimate Enemy", "Ultimate Mystery" and "Ultimate Doom") are set in the Ultimate Marvel universe, and are written by Brian Michael Bendis with art by Rafa Sandoval.