This is a list of comics-related events in 2021. It includes any relevant comics-related events, deaths of notable comics-related people, conventions and first issues by title.
Events
January
January 15: A rejected Tintin cover for the album The Blue Lotus is auctioned and sold for the record prize of 3.2 million euros (2.8. million British pounds).
February
February 18: The Tintin shop in Lissabon, Portugal, is forced to close its doors forever, because of the ongoing COVID-19 lockdown measures.
March
March 4: Japanese publisher Kodansha prints a 15-meter (49-foot) tall version of an Attack on Titan album. It breaks a record as the largest comic book of all time. March 8: Hergé's estate, Moulinsart, sues artist Xavier Marabout for copyright infringement, since he uses The Adventures of Tintin characters in his paintings. He later wins his case. 87-year-old comic artist José Delbo sells Wonder Woman artwork as a non-fungible token for $1.85 million during a crypto auction, in collaboration with the Italian Hackatao duo. March 9: Gerben Valkema, best known for the comic strip Elsje, wins the Stripschapprijs.
April
April 6: A rare copy of Action Comics 1 (the first Superman comic) is auctioned for a record sale of $3.25 million at ComicConnect.com. April 29: After 40 years, Steve Bell's long-running political comic strip If... comes to an end.
May
Specific date unknown: The obese character Fatty in the British comic series The Bash Street Kids is renamed Freddy.
June
June 2: The characters Mandira Sharma and Harsha Chandra, who originated in earlier gag comics in The Beano, are introduced as recurring cast members in The Bash Street Kids. June 8: DC releases DC Pride, its first anthology series focusing on LGBTQ+ characters. June 9: In Spain more than 300 comics artists protest and boycott the annual Barcelona International Comic Fair, because the winner of the Grand Prix is Antonio Martin, who is not a comics writer or artist, but a comics historian and publisher. In Noordwijk, The Netherlands, the MoCA (Museum of Comic Art), Noordwijk opens its doors to the general public. June 27: In Nieuw-Vossemeer, The Netherlands, a bench with a mosaic drawing depicting the comic characters Bulletje en Boonestaak is revealed to the public. June 28: Studio Jan van Haasteren wins the annual P. Hans Frankfurtherprijs. The award is given to Jan van Haasteren and his two co-workers Rob Derks and Dick Heins.
July
A revival of the weekly political-satirical gag comic spin-off of Jean Tabary's Iznogoud is launched as a webcomic series on the website La Vie Française. The new scriptwriter is Olivier Andrieu and the artist Elric.
August
August 7: A comic mural designed by Belgian comic artist Kim Duchateau is inaugurated in Antwerp, Belgium. August 12: DC Comics announces that Robin will be outed as bisexual in an upcoming comic book story of Batman: Urban Legends, which features alternative storylines about Batman.
September
September 9: A copy of the first issue of Spider-Man is sold for the record-breaking prize of 3.6 million dollars. A scandal breaks out in Ontario, Canada, when it is revealed that in 2019 30 schools have burned or removed 5,000 children's books, novels, encyclopedias and comics, for depicting "prejudice against indigenous peoples." September 17: In Anderlecht, Belgium, Hotel Yooma opens its doors: the first hotel dedicated to Franco-Belgian comics. In Charleroi, Belgium, a statue of Gaston Lagaffe is inaugurated at the Green Place. September 26: Dutch comics publisher Julius Goede wins the Dutch comic award the Bulletje en Boonestaakschaal. September 28: Belgian cartoonist Kamagurka wins the Dutch Inktspotprijs award for Best Political Cartoon.
October
October 11: DC Comics announces that Jon Kent, the 17-year-old son of Superman, will be outed as bisexual in an upcoming comic book story.
December
December 19: The freckled character Spotty in the British comic series The Bash Street Kids is renamed Scotty.