One of the most important villainous entities in the world of the X-Men were the terrifying Sentinels, human-created robotic monstrosities designed to hunt and kill mutants. First appearing in the ...

Neil Gaiman (@neilhimself) September 10, 2017 Joss Whedon tweeted, “Co-created Wolverine & the new X-men. Co-kickstarted the modern comic book era with its most powerful metaphor. And more.