Doctor Stephen Vincent Strange, M.D., is a fictional superhero appearing in American comic books published by Marvel Comics.
 Created by artist Steve Ditko and writer Stan Lee, the character first appeared in "Strange Tales" #110 (cover-dated July 1963).
 Doctor Strange serves as the Sorcerer Supreme, the primary protector of Earth against magical and mystical threats.
 Inspired by stories of black magic and "Chandu the Magician", Strange was created during the Silver Age of Comic Books to bring a different kind of character and themes of mysticism to Marvel Comics.
Diamond (Kent Chang) is a fictional character, a superhero appearing in American comic books published by Marvel Comics.
 The character appears in the NEW-GEN comic books.
 Created by Chris Matonti, J.D. Matonti, and Julia Coppola, he first appeared in NEW-GEN #1 (2010).
 He was one of the children from the world of NEW-GEN granted extraordinary abilities by Deadalus' nanobot plague.
 He is a founding member of the A.P.N.G.
The Challenger is a fictional superhero appearing in American comic books published by Marvel Comics.
 The character appeared beginning with the company's 1940s iteration as Timely Comics during the period fans and historians call the Golden Age of Comic Books.
Zota of Pergamum, usually referred to as Zota, is a fictional character, a super villain who appears in comics published by Marvel Comics.
 The character, predominantly a foe of Doctor Strange, was created by writer-plotter Stan Lee and artist Steve Ditko.
 He made his first appearance in "Strange Tales" #124 (September 1964).
Barbara Gordon is a fictional superhero appearing in American comic books published by DC Comics, commonly in association with the superhero Batman.
 The character was created by William Dozier, Julius Schwartz, and Carmine Infantino.
 At the request of the producers of the 1960s "Batman" television series, DC editor Schwartz called for a new female counterpart to the superhero Batman that could be introduced into publication and the third season of the show simultaneously.
 The character subsequently made her first comic book appearance as Batgirl in "Detective Comics" #359, titled "The Million Dollar Debut of Batgirl!"
 (January 1967), by writer Gardner Fox and artist Carmine Infantino.
Feron is a fictional superhero appearing in American comic books published by Marvel Comics.
 The character usually appears in comic books featuring the British superhero team Excalibur, of which he is a former member.
 Created by writer/artist Alan Davis, he first appeared in "Excalibur" vol.
 1 #48 (March 1992).
Roy Harper is a fictional superhero appearing in American comic books published by DC Comics.
 Roy is one of DC's most longstanding characters, originating in 1940s comics as Speedy, the teen sidekick of the superhero Green Arrow.
 Like his mentor Green Arrow, Roy is a world-class archer and athlete who uses his exceptional marksmanship to fight crime.
 Along with other prominent DC Comics superhero sidekicks, he goes on to become a core member of the superhero group the Teen Titans.
 As an adult, Roy casts off his Speedy identity to establish himself as the superhero Arsenal, and for a time adopts the name Red Arrow to symbolise his having become an equal of Green Arrow.
 As well as continuing to serve as one of the Titans at various times, Roy has had leading roles in the superhero groups the Seven Soldiers of Victory, the Outsiders, the Justice League, and the Outlaws.
Gazelle (Elle) is a fictional character, a superhero appearing in American comic books published by Marvel Comics.
 The character appears in the NEW-GEN comic books.
 Created by Chris Matonti, J.D. Matonti, and Julia Coppola, she first appeared in NEW-GEN #1 (2010).
 He was one of the children from the world of NEW-GEN granted extraordinary abilities by Deadalus' nanobot infestation.
 She is a founding member of the A.P.N.G. superhero team.
Alan Ladd Wellington Scott is a fictional superhero appearing in American comic books published by DC Comics, and the first superhero to bear the name Green Lantern.
 He was created by Bill Finger and Martin Nodell first appearing in the comic book "All-American Comics #16", published in 1940.
Spider-Man is a fictional superhero appearing in American comic books published by Marvel Comics.
 The character was created by writer-editor Stan Lee and writer-artist Steve Ditko, and first appeared in the anthology comic book "Amazing Fantasy" #15 (August 1962) in the Silver Age of Comic Books.
 Lee and Ditko conceived the character as an orphan being raised by his Aunt May and Uncle Ben in New York City after his parents Richard and Mary Parker were killed in a plane crash, and as a teenager, having to deal with the normal struggles of adolescence in addition to those of a costumed crime-fighter.
 Spider-Man's creators gave him super strength and agility, the ability to cling to most surfaces, shoot spider-webs using wrist-mounted devices of his own invention, which he calls "web-shooters", and react to danger quickly with his "spider-sense", enabling him to combat his foes.

Question: Zota was a foe of the superhero appearing in comic books by which company?
Answer: Marvel