ジョン・ロミータ・Jrが初めてマーベルコミックスに貢献したのは13歳の時に『アメイジング・スパイダーマン』第78号(1969年11月)でプラウラー(英語版)が創造された際であった[5]。ロミータ・JrはマーベルUK(英語版)でキャリアを始め、『アメイジング・スパイダーマン・アニュアル』第11号(1977年)の「Chaos at the Coffee Bean!」と題された6ページのストーリーでアメリカデビューを果たした[1][6]。
^DeFalco, Tom; Gilbert, Laura, ed. (2008). “1960s”. Marvel Chronicle A Year by Year History. Dorling Kindersley. p. 139. ISBN978-0756641238. "Future Marvel artist John Romita, Jr. - who was thirteen years old at the time- came up with a character called the Prowler and sent a drawing to Stan Lee."
^Sanderson, Peter "1970s" in Gilbert (2008), p. 187: "In December [1978], co-plotters David Michelinie and Bob Layton, and penciler John Romita, Jr....came up with Bethany Cabe, a highly capable professional bodyguard and a different sort of leading lady."
^Sanderson "1970s" in Gilbert (2008), p. 189: "Tony Stark's billionaire nemesis Justin Hammer made his first appearance in The Invincible Iron Man #120 by writer David Michelinie and artist John Romita, Jr. and Bob Layton. "
^Manning, Matthew K.; Gilbert, Laura, ed. (2012). “1980s”. Spider-Man Chronicle Celebrating 50 Years of Web-Slinging. Dorling Kindersley. p. 116. ISBN978-0756692360. "Writer Denny O'Neil's newest contribution to the Spider-Man mythos would come in the form of psychic Madame Web, a character introduced with the help of artist John Romita, Jr."
^Manning "1980s" in Gilbert (2012), p. 118: "In this issue, award-winning writer Denny O'Neil, with collaborator John Romita, Jr., introduced Hydro-Man."
^DeFalco "1980s" in Gilbert (2008), p. 208: "Plotted by Mark Gruenwald, Steven Grant, and Bill Mantlo, and penciled by John Romita, Jr., Contest of Champions eventually saw print in June 1982"
^Manning "1980s" in Gilbert (2012), p. 133: "Writer Roger Stern and artists John Romita, Jr. and John Romita, Sr. introduced a new - and frighteningly sane - version of the [Green Goblin] concept with the debut of the Hobgoblin."
^DeFalco "1980s" in Gilbert (2008), p. 218: "A brilliant weapons inventor Forge was the man the government hired when Tony Stark stopped building munitions."
^DeFalco "1980s" in Gilbert (2008), p. 237: "Mary was first introduced in Daredevil #254 by [writer] Ann Nocenti and artist John Romita, Jr."
^ abCordier, Philippe (April 2007). “Seeing Red: Dissecting Daredevil's Defining Years”. Back Issue (TwoMorrows Publishing) (21): pp. 33–60 which pages are quotes on?
^Manning, Matthew K. "1990s" in Gilbert (2008), p. 258: "The third ongoing series to star vigilante Frank Castle was The Punisher: War Zone, written by Chuck Dixon and with art by John Romita, Jr. and Klaus Janson."
^Manning "1990s" in Gilbert (2008), p. 264: "Comic legends Frank Miller and John Romita, Jr. united to tell a new version of Daredevil's origin in this carefully crafted five-issue miniseries."
^Manning "1990s" in Gilbert (2008), p. 289: "Thor thundered into his new ongoing series by writer Dan Jurgens and artist John Romita, Jr."
^Cowsill, Alan "1990s" in Gilbert (2012), p. 246: The second new Spidey title of the month featured a tale written by Howard Mackie and drawn by John Romita, Jr."
^Cowsill "2000s" in Gilbert (2012), p. 262: "J. Michael Straczynski and artist John Romita, Jr. took the helm in this issue to create some of the best Spider-Man stories of the decade."
^Cowsill "2000s" in Gilbert (2012), p. 265: "The most powerful Spider-Man comic of the year was Straczynski and Romita, Jr.'s response to the horrific events of 9-11...Spider-Man's 9-11 story was a highly charged, beautifully produced tribute to the heroes and victims of the attack."
^Manning "2000s" in Gilbert (2008), p. 336: "Writer Greg Pak teamed up with legendary artists John Romita, Jr. and Klaus Janson for the largest crossover event of 2007, World War Hulk."