Dick Grayson (Nightwing/the first Robin) is also highly prepared. In the first volume of the threepart series Trinity a villain by the name of Swashbuckler steals Nightwing's mask. Which Grayson promptly has destroyed via an explosive charge set for voice activation. The command phrase was only "Autodestruct."

Batman has attempted to be prepared in case of the inevitable superhero FaceHeel Turn, most notably in two infamous incidents. In Justice League of America: Tower of Babel, it was mainly confined to the League. The second was shortly after Identity Crisis where Batman decided to secretly tab every superhero/metahuman on Earth he could, so he built the Brother Eye program to monitor them. Both blew up in his face horribly (Ra's found and used the files and Brother Eye was hijacked by Max Lord and, later, Alexander Luthor). That being said, while they did indeed blow up in his face, they did so by incapacitating every member of the League, who all needed to be saved by the backup plans to THE BACKUP PLANS! Yes, indeed; Batman is so prepared, he even prepared for his contingency plans to get stolen.

Tim Drake, Robin III, is similarly prepared. In his own comic, while fighting another vigilante, they fall through the roof into a bowling alley, with Tim landing on an enormous display bowling ball. He stands up, and uses his feet to start rolling it toward his opponent, thinking, "Believe it or not, I actually trained for this. I told Bruce it was stupid at the time. We'll have a good laugh when I get back home."

Tim defeated Lady Shiva. Lady Shiva who's the best Assassin in the world, and (aside from Bronze Tiger and Richard Dragon) probably the best martial artist in the world. You wanna know how? He had poisoned some complimentary chocolates from the hotel she was staying at, before she wrote the letter challenging him. The poison was a paralytic triggered by an increased heart rate. Like in a fight. Against Robin.

In one issue of Young Justice, the new team goes on a camping trip to get to know each other better. Around the campfire they start a game of "truth or dare," and Superboy promptly dares Robin to remove his domino mask. He does... revealing another domino mask underneath. He admits that he had put the extra mask on before they left, figuring that this game would come up. Arrowette: You were toilet trained at six months, weren't you...

In an issue of Red Robin Tim is able to drop himself Stephanie and Prudence into the hidden basement of one of his safe houses right before it's blown up by the League of Assassins because he's already installed his own explosives under the floor in sets designed to drop out a circle of the floor without blowing up whoever was standing on it.

In an issue of The Batman Adventures, a criminal "artist" named Kim escapes from Arkham and begins leaving clues at crime scenes in a manner reminiscent of the Riddler. Riddler is furious that someone is stealing his gimmick and tracks Kim down himself. As they fight, Riddler asks what all the "clues" were supposed to mean. Kim reveals that they were actually references to an art film by a foreign director, and he was merely making an artistic statement. Riddler rants about how that is completely pointless, as nobody will ever understand such a reference, and the point of leaving clues is to give your opponent a fighting chance. Whereupon Batman shows up and reveals that he understood the clues just fine. When asked why he would watch random films and memorize the biographical information of their directors, Batman replied "In case I had to."

In one issue of JLA, the Martian Manhunter has shapeshifted into a Japanese woman using the name Hino Rei. Batman recognises J'onn instantly, and mentions that "the name is a giveaway". Yes, Batman knows enough about Sailor Moon to spot the name of Sailor Mars. Amusingly, this is because the author got pranked; he asked a friend for a Japanese woman's name that would translate out to 'Poet of Mars', thus establishing Batman's linguistics genius; instead his friend deliberately gave him the secret ID of Sailor Mars, and so the author inadvertently established Batman's otaku cred.

Batman's crazy preparation is shown to an extreme in the Batman R.I.P. storyline, in which we find that in case of psychological attack , he has created a backup personality known as "The Batman of Zur-En-Arrh". Said personality might actually be crazy, making this a literal example. hypnotizing himself to essentially strip the Batman part of his identity and leave only the Bruce Wayne part, in case someone found out and he needed to take extra measures to convince them (and others) otherwise.

In Batman #666, it was shown that in a possible Bad Future, Damian Wayne would become Batman. However, since he knows he's not as skilled as his predecessors, he makes up for it by booby-trapping every major building in Gotham in case he has to fight there.

Rather infamously in JLA 59 Batman engineered the defeat of Polaris to end with the JLA victorious, Superman's healing accelerated by the hole in the ozone layer and himself standing on a teleportation disk he had hidden in the Arctic for just such an occasion. Appropriately he ends the comic with the words "always plan ahead".

In an issue of Superman/Batman, it is revealed that Batman carries around a lead-lined mirror just in case Superman ever turns evil and Batman can't avoid his heat vision. Because, you know, that situation comes up so often.

During the Hush arc of Batman, it is revealed that if he is ever knocked unconscious, his helmet will release tear gas on anyone brave enough to reach for his mask, as well as his suit tasering anyone stupid enough to touch him. The taser shows up in The Dark Knight.

Lampshaded by Jaime Reyes, the Blue Beetle, in a teamup with Batman in The Brave and the Bold. An enemy has just ambushed them by essentially spawning an arctic blizzard ramped Up to Eleven above them, causing them to get buried in a few meters of snow. After Beetle breaks out and stops the blizzard by scaring off their attacker... Blue Beetle: Batman! Hold on! I'll find you and get you out! Can you break out the Bat-Snowblower or something?

(minor explosion)

(Batman digs his way out of the hole caused by the explosion)

Blue Beetle: (in awe) Please don't tell me you actually have a Bat-Snowblower...

Batman: Heating flare capable of melting through ice in a hurry. You'd be surprised what you pack after going up against Mr. Freeze enough times.

Further demonstrated in an issue of Superman/Batman where the world is under the control of Gorilla Grodd except for Batman. Batman's arm is robotic and Superman is gone in space because the atmosphere has Kryptonite in it. By the end of some long convoluted scheme that proves enough how Crazy-Prepared Batman is, it turns out that it was just a simulation of that potential scenario just in case and Batman reveals to Alfred that he does these all the time.

There was an Elseworlds comic called JSA: The Liberty Files which had alternate reality versions of Batman, Hourman, and Dr. Mid-Nite on a train in their civilian identities. They were simply eating dinner when they were suddenly attacked by a villain. Batman, as Bruce Wayne, opens his jacket and throws two grenades. One of the heroes remarks, "You brought grenades to dinner?" to which Bruce replied, "I needed them, didn't I?".

In The Dark Knight Strikes Again, Batman is well prepared for Superman coming to pay him a visit. He has The Atom punch Superman's inner ear to keep him off balance, then has the Flash place small charges all over Supes, after which Green Arrow shoots him with a Kryptonite arrow, all before Batman then hands his ass to him with Green K gloves. And then for the clincher, Superman tells the Bat he only came to talk, to which Batman replies, 'We're done talking. Get out of my cave.'

In one issue of Gotham Adventures, Harley Quinn writes a trashy romance novel that controls the mind of whoever reads it. Tim and Barbara were controlled while Bruce wasn't. Why? He wore leather gloves while reading it.

Batman Does Not Like Guns, but he still takes his proteges to the firing range. When asked why, Batman explained that it's useful to know as much about guns as possible even if he doesn't use them.

In one The Brave and the Bold comic, Batman reveals that he keeps a one-way one-shot handheld teleporter preset to the vicinity of a black hole in his utility belt. Just in case.

Jean-Paul Valley, during his time as Batman, was certainly this. Emphasis on "Crazy": he rigged the Batmobile to self-destruct and set up lethal dart launchers in the grandfather clock entrance.

In the New 52, a plot point in Forever Evil is that Batman created contingency plans in case he ever needed to take down the Justice League. He and Catwoman end up having to recycle the plans to use them against the Crime Syndicate, the JLA's Mirror Universe counterpart.

In Batman: Endgame, Bruce finally ends up having to put his contingency plans to use when the members of the Justice League are taken over by The Joker.

In Secret Six Deadshot is speaking to a priest, trying to understand why he has recently felt such strong urges to just kill everybody he sees, and he relates the story of the first time he fought Batman. At the climax he has Batman dead to rights at point-blank range and shoots him the chest, but Batman does not die as planned and then disarms and apprehends Deadshot. The priest then asked how Batman survived the encounter. Did Deadshot miss? Did the bullets bounce off him? No, he explains that the answer is actually scarier than a person who can dodge bullets or withstand gunshots: Batman had foreseen an eventual confrontation between the two of them, gotten to his gear before the fight and replaced his bullets with blanks!

As of DC Rebirth, it's revealed that Batman has a Batcave on the moon to store particularly special equipment including the Hellbat suit he raided Apokolips with. It works out in the Kent family's favor when Lois discovers the suit and subsequently uses it to defend her son from the Eradicator.