What comic book publisher first published  "The Button", a 2017 comic book crossover and published "Doomsday Clock" an upcoming superhero comic book limited series?
The Button (comics) "The Button" is a 2017 comic book crossover created and published by DC Comics. The story arc consists of four issues from DC's Batman and Flash publications, functioning in part as a larger buildup towards the "Doomsday Clock" event. The plot was written by Joshua Williamson and Tom King, with art by Jason Fabok and Howard Porter.
Batman (comic book) Batman is an ongoing American comic book series featuring the DC Comics superhero, Batman, as the main protagonist. The character first appeared in "Detective Comics" #27 (cover dated May 1939). Batman proved to be so popular that a self-titled ongoing comic book series began publication with a cover date of Spring 1940. It was first advertised in early April 1940, one month after the first appearance of his new sidekick, Robin, the Boy Wonder.