Marvel Comics' X-Men #1 was October's best-selling comic book. DC's Doomsday Clock Part 1 was the month's best-selling graphic novel. Marvel Comics was the top publisher overall.

Dawn of X beings as Cyclops leads an all-new X-Men team in Jonathan Hickman and Leinil Francis Yu's X-Men #1 from Marvel Comics, the best-selling comic book of October.

DC Comics' Doomsday Clock Part 1, a collection of the first half of Geoff Johns and Gary Frank's sequel to Watchmen, was the best-selling graphic novel of October.