The 1993 "" story arc introduced a new villain, , who critically injures Batman after pushing him to the limits of his endurance. Jean-Paul Valley, known as , is called upon to wear the Batsuit during Bruce Wayne's convalescence. Writers , , and worked on the Batman titles during "Knightfall", and would also contribute to other Batman crossovers throughout the 1990s. 1998's "" storyline served as the precursor to 1999's "", a year-long storyline that ran through all the Batman-related titles dealing with the effects of an earthquake-ravaged Gotham City. At the conclusion of "No Man's Land", O'Neil stepped down as editor and was replaced by .
Batman comics were among those criticized when the comic book industry came under scrutiny with the publication of psychologist 's book in 1954. Wertham's thesis was that children imitated crimes committed in comic books, and that these works corrupted the morals of the youth. Wertham criticized Batman comics for their supposed overtones and argued that Batman and Robin were portrayed as lovers. Wertham's criticisms raised a public outcry during the 1950s, eventually leading to the establishment of the , a code that is no longer in use by the comic book industry. The tendency towards a "sunnier Batman" in the postwar years intensified after the introduction of the Comics Code. Scholars have suggested that the characters of (in 1956) and the pre- (in 1961) were introduced in part to refute the allegation that Batman and Robin were gay, and the stories took on a campier, lighter feel.
Kane signed away ownership in the character in exchange for, among other compensation, a mandatory byline on all Batman comics. This byline did not originally say "Batman created by Bob Kane"; his name was simply written on the title page of each story. The name disappeared from the comic book in the mid-1960s, replaced by credits for each story's actual writer and artists. In the late 1970s, when and began receiving a "created by" credit on the Superman titles, along with being given the byline for creating , Batman stories began saying "Created by Bob Kane" in addition to the other credits.
Starting in 2006, the regular writers on and were and , with Grant Morrison reincorporating controversial elements of Batman lore (most notably, the science fiction themed storylines of the 1950s Batman comics, which Morrison revised as hallucinations Batman suffered under the influence of various mind-bending gases and extensive sensory deprivation training) into the character. Morrison's run climaxed with "Batman R.I.P.", which brought Batman up against the villainous "Black Glove" organization, which sought to drive Batman into madness. "Batman R.I.P." segued into (also written by Morrison), which saw the apparent death of Batman at the hands of . In the 2009 miniseries , Wayne's former protégé Dick Grayson becomes the new Batman, and Wayne's son Damian becomes the new Robin. In June 2009, Judd Winick returned to writing , while Grant Morrison was given his own series, titled .