The Amazons Attack! miniseries afflicts the entire Amazon people with this. Queen Hippolyta becomes a murderous misandrist who has no problem starting a war just to start a war and the Amazons have no problem with this for the most part and kill civilians left and right, including children. This is a very far cry from the loving culture they have been presented as, going from "loving women who are well-trained in combat" to "man-hatingAx-Crazy women".
This was a slow process with Batman. From the mid-nineties until early 2006, the cool, gruff, badass, Goddamned Batman slowly moved from "aloof and driven" to "frickin' jerk". DC eventually fixed this by having him realize how he was acting, and go on a year-long trip around the world with Dick Grayson (the first Robin) and Tim Drake (the then current Robin). This was merely a later incarnation of a storyline that's been recurring since the early 90s. Batman would become more aloof than ever before due to some sort of crisis, only to eventually realize that he should be nice to his friends and swear that he would never go down that road again - until next time (See "Prodigal," "Batman: No Man's Land," "Bruce Wayne: Fugitive"). The only difference between this storyline and its precursors is that writers seem determined to stick to it for a change, especially Grant Morrison. Unfortunately, Batman is still a Jerkass to this day (not just in the main comic continuity, but also in other incarnations too), so despite their best efforts, Batman’s characterisation as an asshole is still very much present.
Conversely, the switch of Batgirl II/Cassandra Cain from one of the better examples of Rising Above Her Past (raised from birth as an assassin, but horrified enough by her first kill to become a Technical Pacifist) to a StereotypicalCacklingDragon LadyMastermind was abrupt enough to induce whiplash. Nerfing her enough for Robin to force a stalemate was simply adding injury to insult (she is acknowledged as one of the best fighters in the DCU while Tim is likely one of the worst in the Batfamily). The efforts to retcon the whole mess as brainwashing by Deathstroke came off as more than a bit slapdash, and did nothing to explain the improved language skills (what was once a virtually illiterate dyslexic who rarely spoke a sentence more than five words long without the use of pausing, was now Monologuing and knew Navajo code, one of the hardest languages in the world). The later miniseries about her derailed her character even more. Her improved language skills were taught (she learned to read English, and speak and read Navajo) by Alfred, off-screen and she became good with computers by herself. Her deep rooted refusal to kill anyone was removed in order for her to kill her dad and Deathstroke. Her reading of body language (which was used by her to know that Batman was Bruce Wayne) was nerfed in order to let an old man lie to her right in front of her face. And if that wasn't enough, her past was changed from loving her father but escaping from him because her first kill was the first time she saw someone die which made her realize how wrong her life was, into hating her father during her entire life and actually having to watch him kill people right in front of her eyes without her caring at all.
The issue 0 regarding The Joker's involvement in Jason's life, from his becoming Robin to his death, literally everything was orchestrated by the Joker. The Joker has never, ever been able to pull off a plan that long-term (the closest would be his plan in Death of the Family, and even that massively pushed it), and he certainly wouldn't have the patience to do so.
The 2010 Batman Beyond miniseries does this to almost every single character in varying degrees, from Terry forgetting he has a girlfriend and picking up the Idiot Ball — apparently losing about 3 years of experience in the process — to Bruce suddenly deciding that Terry just isn't good enough anymore and constructing bat robots to replace him, when a big part of his thing in the original was him seeing Terry as a worthy successor.
For a lot of the 2000s, Tim Drake (Robin III) was Batman Jr., without a trace of his Deadpan Snarker attitude, his geek hobbies, or the fact he does have a sense of humor. After Kon died in Infinite Crisis, Robin became a total loner obsessed with bringing Superboy back to life at any cost. Then when Bruce Wayne died, he pretty much threw away any semblance of fun, even though, remember, he was the Robin people liked for being the most normal.
The Next Batman: Second Son subjected this to Lucius Fox. Lucius, who'd previously been written as an Honest Corporate Executive and one of the few characters Bruce Wayne could trust, got retconned into an absentee father who used an Army of Lawyers to help his son Jace avoid jail time for a hit-and-run by digging up dirt on the man Jace accidentally killed. In the present, Lucius is starting to show fascist tendencies by helping Gotham become the Police State it's shown to be in DC Future State. While he and his family suffered during The Joker War, which could maybe help explain the second part, the first has no such rationale behind it. Naturally, some fans aren't happy about this change.
Black Canary (Dinah Lance), as written by Winick, changed into a Satellite Love Interest after years of being a confident, independent Action Girl. It got worse under Andrew Kreisberg, with Dinah's nurturing hero-focused childhood amongst her JSA 'uncles' being retconned into a Wangsty life of ignorant normality until the day she accidentally permanently deafened a friend with her emerging superpower. In order to mirror her incompetent adult use of said superpower, wherein Kreisberg caused her to deafen an innocent bystander in a fight so he could give her a new supervillain.
Black Lightning, under Judd Winick, went from being a Technical Pacifist of such strong ethical fiber that he retired from superheroics when he thought he couldn't use his powers safely into a man who could easily strike down the corporate raider indirectly responsible for the death of his niece.
Booster Gold was originally a Fish out of Temporal WaterMr. Vice Guy who screwed up once in a while but learned from it. Booster eventually seemed to have permanent ownership of the Idiot Ball and was the one who wanted to have fun all the time and was such a screw up that they coined the term "Boostered" after he accidentally sent the team to hell. Infinite Crisis and 52 rerailed his character by establishing Booster as component hero and time-traveler who pretends to be a money grubbing Jerkass to keep hostile time-travelers from targeting him.
Countdown to Final Crisis does this to Mary Marvel in a very annoying fashion. If not her character arc of accepting Black Adam's powers, going a little nuts and joining up with Eclipso before learning the error of her ways and helping to rescue the Greek gods, then it certainly counts when she, after this long storyline of turning evil and being redeemed, joins up with Darkseid AGAIN! But, it's Countdown. What did we expect?
David Reid. Introduced to the Justice Society of America as the great-grandson of FDR, Reid joined the team as an earnest but dedicated rookie with a solid respect for the team of veteran superheroes. Then along comes Gog, who transforms Reid into Magog after his brief brush with death. The transformation influences Reid into acting brashly and recklessly, but once he sees what Gog's really about he turns on his master, even severing Gog's head in the climax. In the aftermath, he apologizes to Alan Scott and is seen without his trademark eye scar, indicating he's earned a fresh start. So what happens after that? He's quickly flanderized into a caricature of his Kingdom Come counterpart in every appearance other than his brief miniseries and ultimately killed off by Maxwell Lord in a really ugly death scene.
Many readers felt that Dr. Leslie Thompkins was derailed in the War Crimes storyline, when it was revealed that she had intentionally withheld care from Stephanie Brown, a.k.a. Spoiler (and one-time Robin) so that she would die in order to teach Batman a lesson. Considering her previous saintly devotion to saving lives, to the point that she was shown to have nightmares about failing to save lives, this was a bit stupid and subsequent comics have quietly ignored it, before it was retconned out completely.
Before his return, Barry was characterised as a humble, academic, well-meaning and selfless man; a bit conservative in his Silver Age stories and something of a milquetoast protagonist compared to both his predecessor Jay Garrick and his successor Wally West. But he was always shown to have been a good father figure to Wally. During his return, Barry is depicted as being more angsty and confused, eventually revealing that his history had been changed and his arch-enemy, Eobard Thawne, had somehow found a way to change the timeline in such a way that he could retcon Barry's previously happy childhood into an angsty one where his mom was killed and his dad was framed for it. Barry from this point on becomes obsessed with this aspect of his backstory, almost as much as Bruce Wayne is over his parents' deaths, resulting in Barry abusing time-travel himself to undo this mess, when Barry was previously established as being wise regarding time-travel, resulting in the Flashpoint event that ended up rebooting a lot of people out of existence. When Barry becomes aware of this years after the fact, he says he'll investigate... only to barely do anything about it when not prompted by other people, leading to the implication that he just doesn't care that much about the people whose lives were affected, which includes Wally, who lost his family due to Barry's actions. In fairness to Barry, the obsession with his mother's death was unwittingly caused by the Rogues when they tricked the Flash into breaking a mirror the original Mirror Master created which amplified his sense of failure.
Captain Cold and the Rogues during the Rebirth era. Though not without history of being villainous, had at least recently been depicted as semi-heroic at times, to the point that they were briefly a Hero Antagonist group and Cold himself was on the Justice League. However, after being denied their 'last score', with Barry deciding firmly that he won't tolerate their anti-hero/anti-villain tendencies anymore, Captain Cold was transformed from a simple career criminal into a crimelord who brutally murders one of his own for wanting to go straight, even though he's never had a problem with people leaving the group before (unless they work for the police), before eventually graduating to taking over the city, murdering a cop-from-the-future who uses his tech as a hero and tossing his severed head at a captured and depowered Barry, all just to establish that he's as much of a cold-blooded monster as Gorilla Grodd and Eobard Thawne.
Owen Mercer, the second Captain Boomerang, was never a completely good person. At his best, he reached Jerk with a Heart of Gold status. But he was trying to move away from the family legacy, and trying to do good, and won himself friends like Nightwing and Supergirl in the process, then vanished from the comics for a while. Then in Blackest Night, he pops up as an unhinged psycho feeding children to his zombie father, and is promptly killed for it.
Likewise, we have Hunter Zolomon, AKA Zoom. Before, Zoom was an anti-villain who after his life fell apart and he gained time-based super-speed, came to believe that his friend, the Flash (Wally West), hadn't faced enough tragedy in his life and it held him back as a hero. He was a twisted, disturbed man but with a genuine belief that he was helping Wally by making his life miserable. During Rebirth, he's brought back after a lengthy absence with the reveal that, off-panel, he had become friends with Eobard Thawne, the previous Reverse-Flash. Rather than this leading to some kind of team-up, Eobard was killed in a story that made Hunter, distraught at losing his friend, decide that he was right, the Flashes (Barry and Wally) were beyond 'helping' and so instead of making them miserable to make them better, he enacted a convoluted plan to trick them into breaking the "Force barrier" and allowing Hunter to access the 'other' Forces, declaring himself the true Flash, and became obsessed with killing off all the Flashes of the multiverse, and hoping to eventually take out Barry Allen (a character he had, until this storyline, no history with).
When he joined the Teen Titans, Impulse suddenly grew grim and studious (and became Kid Flash, abandoning every last trace of his fierce individuality) after Deathstroke kneecapped him and he was forced to endure painful surgery.
Inertia (Thaddeus Thawne), Impulse's Evil Twin. Originally, he was a rebellious teenager who secretly resented Impulse for having something he never had: a family. In fact, that eventually drove him to abandon the people who were using him to try to make his own way in the world. Then he became a generically evil and sadistic version of Kid Flash who engineered his good counterpart's death. Finally, Johns decided to have the character take on the title "Kid Zoom", kill a child, and depower the actual Zoom. Of course, the end of the story showed that Thad's actions would have consequence, and he wound up dead as a result of pissing off the other Flash Rogues for his crimes.
All of the Rogues got this to varying degrees when it was revealed that Barry Allen had, at some point, worked with the Top to brainwash some of them into turning away from crime. While it's left ambiguous which Rogues he did this to, with it being established that at least Pied Piper went legit of his own will, the Rogues redeeming themselves was a natural part of their characters. After Barry's death, it made sense for the Rogues to reevaluate their life choices, especially since all of them were usually only in it for the money anyway. Suddenly, all but one of them did a massive 180 and were back to being criminals.
Hank Hall in DC's Hawk and Dove was an impulsive Jerk with a Heart of Gold in the Kesels' run, having been fleshed out significantly from the original Steve Ditko incarnation and his appearances in the original Teen Titans. However, once the identity of Monarch was leaked as Captain Atom in an advance spoiler for DC's mini Armageddon 2001 (though there had been foreshadowing that this was the case to begin with), editorial had to scramble and find a new character to be Monarch to retain the "surprise" ending. Unfortunately, they picked the one character that was blatantly shown NOT to be Monarch and a perplexing plot twist followed, derailing Hank into a murderous extremist and suddenly advanced enough in intelligence and powers to control time (with yet another villainous name change as Extant). He then lingered on until he was killed off in the pages of JSA and then later brought back in Blackest Night, though it remains to be seen how his characterization will fare.
The Kid Amazo storyline derails the whole Justice League. Flash jumps at the chance to kill a cyborg kid who hasn't done anything wrong yet, J'onn doesn't talk remotely like J'onn, the group as a whole is a bickering leaderless mess...
Green Arrow: Despite having moved on from a troubled past which included alcoholism, rampant womanizing and generally irresponsible behavior and evolving into a loving, responsible father and boyfriend under Kevin Smith's pen, Winick wrote Oliver Queen back into the clueless, womanizing, limousine-liberal stereotype many comic fans wrongly saw him as. It is also worth noting that — despite Winick's portrayal of Queen as an unrepentant ladies' man — Oliver Queen never cheated on long-term girlfriend Dinah Lance (aka The Black Canary) before Judd Winick started writing the character. He did father a child with Dragon Lady Shado, but that was the result of Shado raping him while he was drugged, and was actually shown to be very possessive of Black Canary and very devoted to the relationship. In Winick's first story arc, Oliver Queen had a one-night stand with the niece of fellow superhero Black Lightning and later tried to lie about the affair to Dinah Lance. Interestingly enough, the two had never been shown to have officially reestablished themselves as boyfriend/girlfriend until Winick chose to break them apart. Things got worse afterwards, including Ollie going off the rails about how useless nonlethal crimefighting is (despite having dealt with the whole killing thing decades earlier in what's probably his single most famous story and subsequent run).
Jesse Chambers, AKA Jesse Quick, of The Flash. Wally West's occasional partner and Distaff Counterpart, she joined the Titans (1999). Initially Jesse was presented as a strong female lead, a natural leader who quickly found her place in the team as the go-to second in command, as well as developing a strong dynamic with Dick Grayson and Donna Troy. Writer changes however led to Jesse being completely re-characterised, becoming impulsive, abrasive, and an 'outsider' among the team, which was best shown in a storyline where she had an affair with her mother's fiance, because he was the only person showing her any interest while she was desperately alone. With the book ultimately messing her character up so much, she got depowered in the Flash book so that she could jump to the Justice Society of America title and be revamped as 'Liberty Belle', following her mother's legacy instead of her dad's, as well as off-panel getting married to Hourman II. This, surprisingly, wasn't a bad thing, as this led to Jesse acknowledging just how much her time with the Titans was a disaster, as well as having her step away from her dad's company and allowing her to be part of stuff more, and she found a much better home in the Justice Society, and later the Justice League. She even got massive character development to grow past her insecurities and regained her super-speed, and took back the Jesse Quick identity to help rebuild the Flash Family.
Maxwell Lord was never the "nice guy" on the JLI. He was certainly a Jerk with a Heart of Gold but was it ever a question about the heart of gold part? No. He even thought and believed he was doing the right thing most of the time and showed genuine concern for his team, back when he headed off the group. He even got into an argument with Martian Manhunter about how they needed to get "big guns" on the team to make sure no one would get offed. It's not like it was all dialogue; some of this was in thought bubbles. However, it was later "revealed" that he never believed in the JLI, was working to keep the team ineffectual all along and secretly hated metahumans and superheroes. Writer Geoff Johns actually admitted that he knew he derailed Max but didn't care because they needed a villain. The later official explanation for this is that Superboy-Prime's punching of the Source Wall retroactively influenced Max; while he was sincere before, during his many surgeries and procedures to become human, he gained a hatred of superheroes, presumably because the community at large was responsible for him being a cyborg in the first place. Later still, an issue of Justice League: Generation Lost showed that Max only went off the deep end after Coast City (along with his mother) was destroyed by Mongul.
In the The Dark Knight Strikes Again and All-Star Batman & Robin, the Boy Wonder, written by Frank Miller, Superman is displayed as Dumb Muscle who sold out his morals and is completely incapable of thinking strategically like the oh so perfect Batman and the story ends with him wanting to take over the world. This is at odds with how Superman was portrayed in Miller's The Dark Knight Returns, where Clark was smart, was able to fight toe-to-toe with Batman while holding back and who only worked with the government because the government was cracking down on superheroes and it was the only way to stay a superhero.
Lois Lane briefly got this under the pen of the much-loathed Chuck Austen. She was transformed into a shrew slamming Clark constantly with Austen "defending" it by listing numerous stories of Lois treating Clark like crap...from the Silver Age. Austen basically stated as fact that it was Superman Lois loved, not Clark, and she just "settled" into the marriage to be closer to Superman. It was soon clear Austen intended to break them up so Clark could go to this "true love" Lana Lang who was painted as a near-saint (ignoring how she was married to Pete Ross and even had his child yet obviously wanting Clark back). Thankfully, once Austen was fired, the new writers corrected his damage with a brilliant bit of Ma Kent putting both women in their place, telling Lois to be more supportive and bluntly telling Lana "you had your chance and you lost it."
Superman in the New 52 went from being The Paragon to a hot-headed jerk; one of the reasons for the popularity of Dan Jurgens' Superman: Lois and Clark was the stark contrast between the original Superman and Lois and their New 52 counterparts.
Infinite Crisis saw Superboy Prime move from one of the guys who saved all of reality to a Knight Templar obsessed with finding the perfect Earth. Later stories moved him all the way into Omnicidal Maniac territory as he crushes entire planets because he happens to think they're lame. Some saw this as derailment, others saw it as somewhat understandable, especially since he was painted as a tragic figure... then he started psychotically grinning during it and relishing in all the death he caused, before joining the authoritarian Sinestro Corps and then destroying whole planets in Countdown to Final Crisis, and in Final Crisis itself, he had no motivation for anything beyond being a psychopath. He returned in Blackest Night and was seemingly regretful for everything he had done and wanted to atone (which itself could be seen as derailment)... before his appearance in Teen Titans reverted him to a supervillain maniac. Dark Nights: Death Metal had Superboy Prime make a true Heel–Face Turn and pull a Heroic Sacrifice to save the multiverse with him. He's then returned the past of Earth-Prime as a teenager with his own version of Krypto, giving him a second chance to truly become Superman.
Superboy (Kon-El/Conner Kent) suddenly had Clone Angst when he joined the Teen Titans, and generally being a too-serious jackass when before he even made jokes about his clone status and was well-known for his slacker 90s attitude.
Wonder Woman. Fans of the intelligent George Pérezreboot have dealt with a whole host of derailment. From working in a fast food restaurant to Mike Deodato's "Wonder Thong◊" costume to becoming a bounty hunter to John Byrne trying to turn her into She-Hulk / Babe by increasing the size of her breasts and giving her the standard "wimpy male sidekick" Byrne trademark. During all this, Julia and Vanessa Kapatelis were virtually Put on a Bus. And then there was this. The cries of "RUINED Forever!" were so loud they never went through with it.
Part of the problem is that Wonder Woman is supposed to be a superhero who is also the ideal woman. It's even part of her origin: when the Greek gods breathed life into her they gave her gifts that would make her the perfect woman; the superpowers and equipment came later. Problem is, every writer seems to have a different idea of what is the "ideal woman".
This may also overlap with Values Dissonance; Wonder Woman was created in the 1940s, when ideas about the "ideal woman" were somewhat different than they are today.
Not to mention that Wonder Woman's creator, William Marston, was a femdom adherent and believed in the power of women to 'nourish and nurture through loving discipline' or something of the sort, so his 'ideal woman' had as little in common with general '40s conception of an 'ideal woman' as a modern conception of an 'ideal woman'. However, the way he wrote Wonder Woman, while still a product of its times ended up being far more progressive than many of the later writers, being wise and compassionate while still a powerful warrior not afraid of combat, making it closer to a modern concept than many later takes on the character.
Cassie started out as a fairly androgynous geeky tomboy who was friendly and considerate and loved everything Wonder Woman stood for, she was the founder of a Wonder Woman fanclub for goodness sake. Then Geoff Johns decided she was a violent jerkass prone to temper tantrums who only cared about her boyfriend, and began acting cold towards her teammates. Her character has downgraded into a self-righteous, holier-than-thou Ice Queen. Her fans despise his writing of her and it lasted for most of the 2000s and 2010s.
Sean McKeever seemed to have noticed Cassie's change, and attempted an Author's Saving Throw by blaming it on accepting powers from Ares. This negated the powers Zeus gave her and would have corrupted her completely, were her will not strong enough to resist him. Instead, she just turned into a bitch. Although the following writers, especially Felicia Henderson, promptly derailed Cassie back into a raging shrew.
When the second Aquagirl (Lorena) was introduced in the pages of Aquaman, she was a resourceful Plucky Girl with brains who learned to adapt fine to the ocean after she lost her entire family and all of her friends. Once she became a Titan? She became derailed into a horny and mouthy Latina stereotype, trying to play homewrecker to Blue Beetle and Traci 13, while serving little purpose other than to hit on boys, argue with Bombshell, or get seethed at by a jealous Cassie.
Some argue that Geoff Johns' changes to Raven have stained her character reputation irreparably. These include having her reborn as a teenage girl (after she spent time in limbo as a golden Spirit Advisor) who only occasionally retained her original speech patterns and personality (while the rest of the time she had a snarky and broody attitude like her animated incarnation), hooking up with Beast Boy, and saddling her back with the position of being the Damsel in Distress that the team must rescue. Later writers like Judd Winick only made these changes even more jarring.
On the opposite end, Beast Boy fans have become upset that after having received development in his own mini-series, he started on a gradual decay back to being the team goofball to the point where even his own best friend and younger team members were depicted as talking down to him and considering him to be a joke. The same Beast Boy who became team leader of the Titans and was considered capable (before executive meddling hit, combined with Geoff Johns deciding the team had "too many adults").
The Lazarus Contract has quite a few moments where characters act wildly out of character just to propel the plot forward.
Dick Grayson is suddenly acting like he did in The New Teen Titans and being all secretive about some nebulous deal he made with Deathstroke. When it's revealed, we learn that he agreed to train Rose Wilson and instill some morals in her in exchange for Slade not killing the Teen Titans after Grant Wilson was killed. Why this was some deep dark secret he felt he needed to keep from the team is never explained, especially given that he hasn't acted this secretive for years.
Damian Wayne chewing out Kid Flash for trusting Deathstroke at one point. Forgiving that it was an accident, Damian of all characters knows how hard it is to live up to a heroic legacy, and how people just screw up sometimes. While he's arrogant, him kicking Kid Flash off the Teen Titans is pretty extreme.
Wally West at one point is chasing down Deathstroke, who has acquired super speed somehow on Wally's level. When they're stuck in Bullet Time, Slade mentions that they're now on an even playing field, and Wally runs away. As in he doesn't even get hit first, he runs away at the first sign that he isn't fast enough. Forgetting that he also forgot about his ability to drain speed, Wally has never, ever been depicted as a Dirty Coward entirely reliant on his Super-Speed, who flees at the first sign of trouble.
NuWally sort of gets a moment too, when his Daddy Issues seemingly encompass his entire character. When Slade is lost in the Speed Force, NuWally is angry that the Titans and Teen Titans are celebrating, even though they know they can't rescue him and he's more than a bit of an amoral asshole (indeed, the Rebirth series has "Deathstroke is a git that ruins things for his family and is not someone you should admire" as a main theme). NuWally decides to run into the Speed Force to save Slade. That NuWally is so adamant on this and values Slade's life so much is more than a bit of a stretch, as he made his dislike of his former Cool Uncle, Daniel West, very clear once he learned that Daniel was the villainous Reverse-Flash. And Daniel was his uncle he admired who killed about five people, while Slade is some random guy he spent an afternoon with who has killed, as he made explicitly clear to NuWally, hundreds. The kid caring about this guy is just... forced.
JLA: Act of God has a ton of this, in addition to all the other things it gets wrong.
Superman and Wonder Woman can both go here because they both get derailed in more-or-less the same way. They both turn into miserable, self-pitying sadsacks when they lose their powers, in spite of that flying in the face of all previous characterization. They also totally buy into the idea that them losing their powers was a punishment for their "arrogance" in spite of thw fact that they are two fo the most humble heroes in the entire DCU (Superman works as a reporter specificaly because his powers don;t offer him any real advantage over his peers, and Wonder Woman once worked at a fast-food restaraunt without ever seeing the work as beneath her).
Lois Lane also gets this, having broken up with Clark because he no longer has his Superpowers, even though by this point she had gained a massive amount of appreciation for Clark as a person, regardless of his powers. This is mostly done for the sake of getting Superman and Wonder woman together.
Stereotypical Cackling Dragon Lady Mastermind was abrupt enough to induce whiplash. Nerfing her enough for Robin to force a stalemate was simply adding injury to insult (she is acknowledged as one of the best fighters in the DCU while Tim is likely one of the worst in the Batfamily). The efforts to retcon the whole mess as brainwashing by Deathstroke came off as more than a bit slapdash, and did nothing to explain the improved language skills (what was once a virtually illiterate dyslexic who rarely spoke a sentence more than five words long without the use of pausing, was now Monologuing and knew Navajo code, one of the hardest languages in the world). The later miniseries about her derailed her character even more. Her improved language skills were taught (she learned to read English, and speak and read Navajo) by Alfred, off-screen and she became good with computers by herself. Her deep rooted refusal to kill anyone was removed in order for her to kill her dad and Deathstroke. Her reading of body language (which was used by her to know that Batman was Bruce Wayne) was nerfed in order to let an old man lie to her right in front of her face. And if that wasn't enough, her past was changed from loving her father but escaping from him because her first kill was the first time she saw someone die which made her realize how wrong her life was, into hating her father during her entire life and actually having to watch him kill people right in front of her eyes without her caring at all.
◊" costume to becoming a bounty hunter to John Byrne trying to turn her into She-Hulk / Babe by increasing the size of her breasts and giving her the standard "wimpy male sidekick" Byrne trademark. During all this, Julia and Vanessa Kapatelis were virtually Put on a Bus. And then there was this
