Deadpool: End of an Error is part of the “Deadpool: World’s Greatest” series by Gerry Duggan. This installment introduces Deadpool 2099, a futuristic version of our beloved Merc with a Mouth. Set eighty-four years into the future, readers meet Warda Willson, the newest Deadpool, who must navigate a world filled with challenges and new foes. Alongside this storyline, you'll also find the introduction of Mascare, the Deadpool of Mexico. It's a rollicking, time-hopping adventure filled with classic Deadpool humor and action! (old library edition)