Question: Who published the comic book in which Jean Loring was a supporting character and primary love interest of The Atom (Dr. Ray Palmer) is a fictional superhero appearing in American comic books?

Context paragraphs:
Rumiko Fujikawa: Rumiko Fujikawa is a fictional character, a supporting character appearing in American comic books published by Marvel Comics.  Created by writer Kurt Busiek and artist Sean Chen, the character made her first appearance in "The Invincible Iron Man" vol.  3 #4 (May 1998).  A supporting character of Iron Man, she was Tony's primary love interest throughout the duration of the series.

Jean Loring: Jean Loring is a fictional character in comic books published by DC Comics, formerly associated with superhero the Atom for whom she was a supporting character and primary love interest.  She first appeared in "Showcase" #34 (September–October 1961), created by Gardner Fox and Gil Kane.  The character appeared continually in minor roles until the 2004 storyline "Identity Crisis", in which she suffered a mental breakdown and murdered Sue Dibny, wife of the Elongated Man.  This would later lead Loring to assume the mantle of the supervillain Eclipso.

Barbara Gordon: 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.

Lois Lane: Lois Lane is a fictional character appearing in American comic books published by DC Comics.  Created by writer Jerry Siegel and artist Joe Shuster, she first appeared in "Action Comics" #1 (June 1938).  Lois is a reporter for the Metropolis newspaper, the "Daily Planet", an award-winning journalist and the primary love interest of the superhero Superman.

Atom (Ray Palmer): The Atom (Dr. Ray Palmer) is a fictional superhero appearing in American comic books published by DC Comics.  The character was created by editor and co-plotter Julius Schwartz, writer Gardner Fox and penciler Gil Kane.  The Atom was one of the first superheroes of the Silver Age of comic books and debuted in "Showcase" #34 (October 1961).

Snapper Carr: Lucas "Snapper" Carr is a fictional character appearing in American comic books published by DC Comics.  The character, whose fictional nickname is almost always used by other characters in favor of his given name, was created by Gardner Fox (writer) and Mike Sekowsky (penciller), and made his first appearance in "The Brave and the Bold" in February 1960.  From 1960 to 1969, Snapper Carr appeared as a supporting character to the Justice League of America, a superhero team.  The character occasionally appeared in comics featuring the Justice League from 1969 to 1989, when the "Invasion! " limited-series comic book gave him superpowers.  He was associated with a new superhero team, The Blasters, in various comics until 1993, when he lost his powers and became a main character in the "Hourman" comic book.  After the cancellation of "Hourman" in April 2001, he became a main character in the "Young Justice" comic book beginning in December 2001.  "Young Justice" was cancelled in May 2003, and he became associated with the governmental organization Checkmate, a role revealed when the character played a small but important role in the 2007-2008 limited series comic book "52 Aftermath: The Four Horsemen".  The character made major appearances in "Final Crisis: Resist" in December 2008 and "Justice League of America 80-Page Giant" in November 2009.

Spider-Man: 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.

Superman: Superman is a fictional superhero appearing in American comic books published by DC Comics.  The character was created by writer Jerry Siegel and artist Joe Shuster, high school students living in Cleveland, Ohio, in 1933.  They sold Superman to Detective Comics, the future DC Comics, in 1938.  Superman debuted in "Action Comics" #1 (cover-dated June 1938) and subsequently appeared in various radio serials, newspaper strips, television programs, films, and video games.  With this success, Superman helped to create the superhero archetype and establish its primacy within the American comic book.  The character is also referred to by such epithets as the Big Blue Boy Scout, the Man of Steel, the Man of Tomorrow, and the Last Son of Krypton.

Nova (Richard Rider): Nova (Richard Rider) is a fictional superhero appearing in American comic books published by Marvel Comics.  The character appeared historically as the star of his own series, and at other times, as a supporting character in team books such as "The New Warriors".  He is a member of the intergalactic police force known as the Nova Corps, for which he gained superhuman abilities including enhanced strength, flight and resistance to injury.

Valkyrie (Marvel Comics): Valkyrie is a fictional superhero appearing in American comic books published by Marvel Comics.  The character was created by Roy Thomas and John Buscema, based on the Norse mythological figure Brynhildr.  The character first appeared in "The Avengers" #83 (December 1970) and has become a mainstay of the superhero team known as the Defenders.  An Asgardian by birth, Valkyrie, also known by her real name, Brunnhilde, was selected by Odin to lead the Valkyrior.  Among her other aliases are Barbara Denton-Norriss, Samantha Parrington, Sian Bowen, and Annabelle Riggs who were all host bodies to the spirit of Brunnhilde.  Samantha Parrington, a previous host of Brunnhilde, later received Valkyrie's powers and became a member of the Defenders herself.  An ally and one-time love interest of Thor, she was ranked 30th in IGN's list of "The Top 50 Avengers", and 65th in "Comics Buyer's Guide's" "100 Sexiest Women in Comics" list.

Supporting paragraphs: Jean Loring Atom (Ray Palmer)
Answer: DC Comics