"Excalibur" is a comic book series published by Marvel Comics within the Marvel Universe. The series features characters such as Lockheed, Widget, and the Black Panther, all part of the X-Men superhero team. Written in English and following the tradition of US Comics, this comic book is a must-have for fans of superhero genre. With its engaging storyline and iconic characters, "Excalibur" is sure to captivate readers and fans of the Marvel Universe.