This is what happens when your hero is a teenage boy...
"It's a custom tailored energy/super-power drainer. Transfers meta-human force and funnels it into the owner — converting it to a number of pre-set super-powers.... We had to stop production. You'd be surprised how many disgusting uses there are for 'Plastic Man'."
This is known to have basically horrified Rumiko Takahashi. Repeatedly asked at conventions what would happen if the title character of Ranma One Half got pregnant in female form, Takahashi finally replied, exasperated "It's never going to happen, so why do you ask?" The interesting part is, whether Takahashi wants to think about it or not, she did address it in the manga (albeit indirectly). The Musk Dynasty story arc describes an ancient culture which ritually tossed strong, wild animals they had captured (such as tigers, wolves, boars, and, at one point, a dragon) into the Spring of Drowned Girl, in order to procure wives. Then they'd magically lock those "women" in human form and mate with them, so their offspring would inherit the traits of the mother's original form. As one might imagine, Ranma fell victim to this at one point.
Futaba-kun Change! is what results when you do address those issues. Same basic principle minus the Love Dodecahedron, but plus the 15-rated exploration, so the Gender Bender character gets periods and (because it runs in the family) was birthed by his father. Although, in this series' case, the Gender Benders are explicitly stated to be locked in female form while having their period, and presumably while pregnant.
Quite a bit of this occurs in Mahou Sensei Negima!, but the most obvious example is Haruna and her artifact, which allows to make golems that perfectly resemble anyone (or anything) she can draw... and she can modify their personalities and appearances any way she likes. So far, she's created a Nugi golem with a 23.5 centimeter tongue for practice pactios, and a "dark" version of Nodoka. And, proving that she's perfectly aware of the potential for hideous misuse, she was on the verge of creating "Ero Nodoka" before the real Nodoka bonked her in the head with a book.
Most obviously, Naruto's first seen attack, the Ninja Centerfold / Sexy no Jutsu. Guess what it does?
Not to mention soon after, when he combos it with the Shadow Clone Jutsu... The Harem Jutsu has got to be the best way to lose a fight. Ever. Add on the later mention that Naruto receives the experience and memories of his clones.
Early in canon, Naruto transforms into Sasuke in order to seduce Sakura. They almost end up kissing before they're interrupted. It's implied Sakura never catches on to this deception, nor does Sasuke even realize why Naruto tied him up.
As Konohamaru showed in the beginning of Shippuden, all one needs to do is combine the basic transformation jutsu (look like anyone) with the basic clone jutsu. There is the endless capacity to make the image of anyone having sex with anyone else.
There are dozens of potentially perverse uses for many of Lala's inventions as well as technology in general. One of the few that actually gets used for such a purpose is something called an Erogama—a frog that spits acid that only works on clothes.
Also, in the more recent chapters of darkness, Nemesis (who has the same powers as Yami) has appeared, and is fully aware of the potential of voluntary shapeshifting.
For the morbidly curious Durarara!! fan: yes, Shinra has considered the potential bondage applications of his dullahan girlfriend's powers in the bedroom.
Happened when Sanji meet a devil fruit user that can turn invisible. A large part of Sanji's anger stemmed from the fact that Absalom, the person with the ability, did exactly that with his powers. The other is that the powers are unique — as long as Absalom lives, nobody else can have the Clear-Clear Fruit's powers.
Sanji: If I ever get the ability, I want to use it to GIRL'S BATH Ah no, I meant I asked myself GIRL'S BATH No, I wanted to use it to benefit the humanity GIRL'S BATH.
Brook learned to use his Revive-Revive Fruit to separate his soul from his body at will, able to go through walls at will. Dirty Old Man that he is, the very first thing was to use it exactly how Sanji would've (and Absalom did) used invisibility.
This is mentioned a lot in the SBS sections, to the point of being a Running Gag — and Oda will always answer very seriously and bluntly. Luffy's penis can stretch (and this was alluded to in series, at one point), Buggy can make his penis detach and make it fly around, yes, Jozu, who can turn into diamond, can have a diamond penis, and yes, Nico Robin can make copies of her breasts appear on any surface she likes.
After over a decade, Oda drew the line and seems disgusted and angry when fans kept asking about if the Admirals' privates (not the military rank) are like the powers of their devil fruit (i.e. Aokiji's penis is frozen, Akainu's penis is molten rock, Kizaru's penis is — well you know the rest).
In YuYu Hakusho, when Botan gives Yusuke the tools of a Spirit Detective, the first item is a set of x-ray glasses. He immediately tries to use them to look through her clothes. Botan clubs him with her oar.
In Mahou No Iroha, Iroha briefly grants Naoki supernatural artistic skill. He promptly uses it to make perverted sketches of famous idols. And Nanako.
In Tokko, after Itto kills a perverted phantom who was attacking schoolgirls and takes his powers, he discovers to his disgust that the power he gained from the phantom was the ability to sprout dildos from his hands. One can only imagine how the phantom used this power.
In the Blue Exorcist anime, Rin is demonstrated to be capable of selectively incinerating clothes with his Hellfire without harming the wearer or other pieces of clothing on the wearer in the process. The first time he accidentally pulls this stunt, he leaves only the underwear on the two people involved - one of them being the local Ms. Fanservice.
In The Familiar of Zero, Osmand takes every opportunity to sexually harass his Sexy Secretary Miss Longueville, which includes having his mouse Familiar look up her skirt and tell him what panties she's wearing, and using telekinesis to grope her.
In Soul Eater, an evil Mummy pharaoh captures Liz and Patti with his prehensile bandages. When Death the Kid arrives, he finds the bandages stripping and molesting the girls, and they seemed to be on the verge of screaming in pleasure.
Yamada-kun and the Seven Witches is an ecchi manga revolving around various powers that require kissing to be used. These powers include switching bodies and making someone love you. The characters are all just perverted enough to see the implications. Miyamura for instance suggests that Yamada use the love power to make all the girls in school into his harem. It should be noted that Yamada is actually surprisingly responsible with the powers. It's everyone else that sees the potential.
The spirit of Snake of the Festival, a Godzilla-sized snake, possesses Yuji's body. Bel Peol wonders why her mighty leader would chose a lowly human body as a host. Snake holds her hand, caresses her face, and says he can think of a few advantages to being in a human body. She blushes.
Margery Daw granted Satou temporary Super Strength so that they could have sex without worrying about her accidentally tearing him apart.
In The Circumstances Leading To Waltraute's Marriage, Jack Elvan acquires a Dwarf-forged multi-tool that can slice through a Valkyrie's armor, meant to be used to disrobe her. The Dwarves added a feature where the tool transforms into a mass of tentacles that can trap girls and pleasure them. Upon learning this, Freyja expresses a desire to borrow the tool. Since Jack is a little boy, it does not occur to him to use it for perverted purposes. Nonetheless, Waltraute confiscates it.
Australian comedian Adam Hills has an artificial foot. In his stand-up shows he brings up that he often gets asked strange questions about it such as:
"Can you still have sex?" His response was, "Yeah, what does your boyfriend do? Does he have a run-up?"
"Do you take it off to have sex?" He lets the audience laugh, then says that's the reaction he normally gets. "Ha ha ha... do ya?" He answers, "Yes, I do, but there's no sexy way to remove an artificial leg." He proceeded to mime what would result if he tried a strip show with his leg.
"Have you ever used it?" To this he replied, "Even if I wanted to, at what point are you supposed to bring that up in a relationship?"
English comedian Russell Howard said in a stand-up show that if he had a super power, it would be the ability to make people orgasm just by touching them once. In his words, "Not for sexual purposes, but that would be amazing in a fight." 'Kill him, Steve!' 'I'm trying to, but I'm too horny!' Either that, or he'd be "in a zoo, causing a great deal of mischief".
Became canon for Hank Pym and Janet van Dyne, who have size-altering abilities (as Ant Man/Giant Man and The Wasp, respectively). One issue after Marvel Comics discarded The Comics Codeshowed◊ Janet writhing in pleasure, apparently all by herself, naked on her bed... only for a miniature, and equally naked, Hank to eventually emerge from the shadows between her legs and announce "Your turn."
Eric O'Grady, the third Ant-Man, would later use his shrinking to spy on two women, ON DIFFERENT OCCASIONS, showering. Unintended versions of this have also popped up with him ending up in the second Black Widow's top as well as being able to get a close up of the Skull Queen's plans.
OK, Siryn/Banshee (Theresa Cassidy) of X-Force/X-Corporation/X-Factor has always had a crush on Multiple Man (Jamie Madrox). When they were working together in Paris, she was shown to be really interested in his self-orgy potential, even asking their teammate M (Monet St. Croix) something along the lines of "Come on, are you telling me you never thought about it?". Of course, snobbish as she is, Monet didn't want to continue the conversation. Later on, when the three of them were part of X-Factor Investigations, it turned out that: A) Monet was actually interested; B) Jamie actually did use his powers to improve his sex life, but in a different and more obvious way... by sleeping with both girls during the same night.
Spider-Man. Webs. As a matter of fact, Todd McFarlane wrote an implicitly explicit (consensual) bondage foreplay scene (between Peter and his wife Mary Jane) into an issue during his short run on the explicitly-created-for-him Spider-Man (no adjective) series from the early 1990s.
There is a more innocent version of this in a scene of Spider Man 2, where Peter and MJ lie on a giant web, but fully clothed. Their relationship in the Sam Raimi films was pretty on-again-off-again, but the implications are still there.
In Watchmen, the god-like Dr. Manhattan can change size, control matter and duplicate himself. There's a scene with him and Silk Spectre where he creates two of himself in the bedroom. This creeps out Laurie, especially when she runs into the lab to find two more duplicates working on an experiment.
A similar event showed up during the Mark WaidLegion of Super-Heroes reboot. Three male legionnaires who have an interest in Triplicate Girl go on dates with her, and one finally asks if she ever considered using her power during a date. She replies, somewhat surprised, that she already is. The three then discover they'd been on the date with her at the same time. All three quickly excuse themselves and head to the nearest bar.
Gadgeteer Genius The Engineer from The Authority has, in Canon, justifiably described herself as a "closet exhibitionist". As a superhero, she parades around buck naked in the Chrome Champion form which she can transform into thanks to the nanotechnology in her blood. During her on-again, off-again relationship with Jack Hawksmoor, she uses her nanotech abilities to split herself into two autonomous copies. This is while another of her bodies that she's mentally controlling is giving a lecture. One could only imagine what would happen if she got her wires crossed.
In addition to the references in the films mentioned below, a scene in Heroes Reborn Fantastic Four in which Reed reveals he's been offered a part in a porn film, but turned it down; Sue comments that now no-one but her will ever know the real reason he's called Mr Fantastic.
They did it in the 616 universe too. Scene: Sue is pissed because a social worker says the FF's home is an unsafe environment and is trying to take her kids away. Reed comes home and starts putting the moves on Sue to relieve her tension. Cut to sometime later in Reed and Sue's bedroom. Sue is laying on the bed in a daze and says, in very wobbly text, "Have I ever mentioned what a... wonderful set of abilities you acquired from those cosmic rays?" Even Stan Lee himself brought this up in an interview with Vanity Fair.
Played with in the Marvel Mangaverse where that universe's Reed Richards was bemoaning about how "useless" his powers are and how he only uses them to stretch his brain to make himself slightly smarter, said to a group of naked women he's in bed with.
Similar to the Plastic Man and Reed Richards examples above, one of the JLI revival mini-series implied that Elongated Man used his stretching abilities to pleasure his wife.
Starfox (the one from Marvel) has the power to control the emotions of others. In one She-Hulk arc, a suit was brought against him by some, including She-Hulk herself, who may have been forced into sex with him thanks to his powers. (The man's real name is Eros, after all).
Dylan Battles, the techie of Kate Spencer, once said in Manhunter that he could alter her suit so that she would "feel like she was in a state of perpetual org—" before being cut off.
The highly debatable Chuck Austen run had the Polaris/Havok wedding. The stripper could change shape and the X-Men were calling out well-known female superheroes. Though they were just having innocent fun in a strip club, and the girls were having a similarly good time thanks to Emma Frost casting illusions.
Power Perversion Potential was played completely seriously in X-Men, with Emma Frost using her powers to psychically seduce Scott Summers. It was not taken well by other resident psychic Jean Grey.
Frost also uses her powers to neutralize a hostile group of reporters, of both genders, by making them orgasm themselves into a faint.
At least as a child of one of the X-Men, we have Daken, Wolverine's son, who's the contemporary classic example of the Depraved Bisexual. Because, aside from the obvious claws/regeneration/bone strength he got from his father, he can also manipulate and release pheromones from himself, making people he chooses aggressive, losing their senses of perception and general thinking, or, more relevant to this trope, horny as all hell. He's tried this on female and male targets, some of whom note specifically to him that they're immune to that ability. And, Magnificent Bastard as he is, it goes without saying that he often uses this power to his advantage. In Dark Avengers he also uses this on Bullseye and Moonstone.
Another "child" (or rather, Opposite-Sex Clone) of Wolverine, X-23, spent some time after escaping the Facility as a child prostitute. Her specialty was using her claws to cut masochistic clients.
One of Grant Morrison's New X-Men issues revealed that the Hellfire Club employs telepathic dancers who can choose any form requested by their clients. A drunken and depressed Cyclops asked one of the women to transform into Jean Grey, who had recently broken up with him.
Laurie Collins aka Wallflower and her father, Sean Garrison, possess a similar pheromone-manipulating ability to Daken. Garrison took full of this, using it to seduce women such as Laurie's mother, which led to her conception. Laurie inherited her father's mutation, and her desire to avert this trope (partially due to Power Incontinence) led to her often isolating herself from other students. However she has also used it for selfish ends herself, such as trying to make Elixir jealous by using her pheromones to seduce Prodigy into kissing her.
What's the first thing The Hood does with his demonic powers? Turn invisible and sneak into the women's locker room at a local gym.
Top 10 plays a lot with this trope. Imagine what the red-light district of a city where everyone from mayor to stray cat has superpowers must be like. To quote an officer from the eponymous police precinct: "You've got splitters, stretchers, shapeshifters, invisibles, aliens...". There is apparently a huge market for mud-wrestling invisible women.
In the Buffy the Vampire Slayer Season 8 comics, the entirety of an issue is spent with Buffy and Angel finding various ways to enjoy their new-found superpowers, including the phrase, "Do you want to try it flying now?"
Leetah has healing powers, which are essentially flesh-shaping magic. It's been hinted at (once vaguely by the original authors, once explicitly in a Running the Asylum plotline) that she uses her powers to make sex quite interesting.
Various scenes and lines from the original volumes onward make it clear that elves who can Send (which is almost all of them) do so during lovemaking. It's referenced in a way that implies they consider that kind of mind-to-mind intimacy during sex to be a given.
Empowered. Quite apart from Emp's suit enhancing her libido, there's Mindf**k using telepathy to have a Mental Affair with Sistah Spooky under everyone's noses.
Flex Mentallo's final feat before reaching the headquarters of the vanished League of Leagues is to wade through a superhero orgy complete with every possible use of superpowers that crossed Grant Morrison's mind.
Marvel Comics villain the Purple Man has super-pheromones, much like Daken above, except a lot stronger: he can use them to make people do whatever he wants (and they can last for quite a while before they get flushed out of a victim's system). Being a villain, he used the power for sex constantly. He even fathered at least one child with a woman he was mind controlling (who later left him when she shook it off).
Burrows, a psychic from Irredeemable, uses his psychic powers to make people imagine themselves naked, and then takes "mental snapshots" when they do.
Speaking of Wonder Woman, her lasso of truth. Gift from the gods. Unbreakable weapon beyond mortal understanding. Really good for making your friends embarrass themselves by blurting out the truth at inopportune moments.
In the Invincible comic books, Dupli-Kate, whose power is exactly what her name suggests, has a habit of using it to engage in threesomes (or more) with her lovers. In one early issue, Atom Eve accidentally discovers her boyfriend fooling around with Kate and Kate and Kate.
Matt Cable, Abby's first husband in Swamp Thing, eventually gained a kind of limited Reality Warper power, one that he used to create psychic projections that would sexually pleasure him. This eventually led him into the clutches of her evil father, Anton Arcane. There's a reason Matt later had a lot of bad karma to work off in bird form.
In Runaways, Lipstick Lesbian Karolina is in a relationship with shapeshifting alien Xavin. Xavin tries to seduce Karolina in the form of Nico, a girl Karolina had a crush on. Also, their entire relationship may not have happened without Xavin's shapeshifting, given that Xavin was introduced in a male form.
Jules from Bazooka Jules transforms into a superpowered adult version of herself with large breasts thanks to a micro-robotic weapon that fused with her body. While her transformations only happen when she's in danger, her boyfriend hopes that she'll eventually learn to transform at will.
Fans always find ways to pervert powers and the like. You can find this in every fandom from the Furry Fandom to Star Wars fanfiction.
In Harry Potter and the Charm of Venus, Hermione, under an Imperius Curse, uses a paralyzing charm on Harry, then proceeds to explain to him in detail a spell she learned on her own that will give her control over his hormones and can only be broken if Harry sleeps with enough other girls in about one month. A fun little spoiler:twins are considered one magical being
The infamous My Immortal has broomsticks used as a peeping-tom platform, curses used in S&M, and a number of other items.
Tonks's Metamorphamagus powers have not escaped the notice of fanfic writers. If it's not part of her tragic backstory, it's used for sex.
Nor has Harry Potter's Parselmouth.
Pretty much any Star Trek shipping fic that involves at least one Vulcan character will explore how touch-telepathy and mindmelds affect sex. Particularly if the two are Mindlink Mates.
Almost as soon as someone paired Odo the shapeshifter up with Major Kira in Star Trek: Deep Space Nine, authors began exploring the... interesting possibilities of a character whose natural form was that of a gelatinous liquid and who could shape himself into a replica of anything. This was hinted at in-universe in the seventh season episode "Chimera", when Odo and Kira make up after a misunderstanding and proceed to celebrate their reunion with the prime time-safe version of sex - Odo transforms into a shimmering golden cloud of light and envelops Kira, who spreads her arms wide, turns slowly around and revels in it with a look of complete ecstasy on her face.
Heroes fandom is very imaginative when it comes to "interesting" ways of using the various abilities.
There is a Neon Genesis Evangelion fanfic where Shinji and Rei become Mindlink Mates and figure out that them sharing sensory input extends to sexual stimulation as well, meaning that during sex, they also feel what the other feels in full detail. They quickly take advantage of this... and then they teach it to Asuka as well.
Nobody Dies has Lilith's Anti-AT field compelling everyone to have sex with the nearest person of the opposite gender. It's entirely intentional on Lilith's part. Yui even mentions that when she and Gendo found the Geofront, they were trapped in Lilith's chamber for two hours. Nine months later, Shinji was born. Sixteen years later, Shinji and Asuka almost fell into the same situation, had it not for Misato standing by with high-pressure cold waternote when they got back topside, Misato's first act was to drag Kaji into the quarantine room, coming out hours later with Kaji lying on the ground naked, hogtied and VERY exhausted.
The Sith Academy fanfic series starts with "Force-driven monkey love" around story #27 and runs wild with it.
In the world of Inception, people's minds contain projections of other real people they know (and they can interact with those projections, as can other dreamers), and one character is a Forger. In addition, the laws of physics are more like guidelines, and if someone dies, they just wake up. The fandom's Kink Meme demonstrates just how much thought some of its fans have put into what else one could do in the dream state besides steal and plant ideas, given those facts.
Barely a fan exists that hasn't realised Sokka's and Suki's night during "The Southern Raiders" would have been completely "visible" to Toph (though whether this is played for humour, drama or fetish depends on the individual). One fanfic even adds Zuko to the list of unintentional voyeurs, sensing extreme heat from the two.
Katara learning Blood Bending, an ability which is explicitly used to manipulate the blood in another person's body.
This troper has read multiple fics where Azula's lightning has been used for things it shouldn't.
Luminosity uses this trope to give us a one-line sex scene.
Among the enhanced vampire senses is touch.
Touhou fandom. Oh ZUN, Touhou fandom. Name a power, and it is more probable than not that some fan has devised a sexual use for it. Merely some of the more common applications include both Marisa and Eirin creating aphrodisiac potions, Sakuya doing whatever she wants after she stops time, Alice upgrading her puppetry skills to People Puppets for less than savory intentions, Yukari doing everything from swapping genders to changing ages to simple bondage, Suika using her density-manipulation to alter body sizes, Keine becoming massively horny in her hakutaku form, Kaguya and Mokou utilizing their mutual Immortality for some brutal "play", Aya using her speed to obtain Panty Shots of everyone in Gensokyo, Koishi forcing others to act on their subconscious desires, Nitori creating bizarre sex toys, Nue changing her form into something more pleasing, and the list goes on and on. Even Kogasa, with the power to surprise people, has used her power to surprise people in bed.
ZUN himself has been known to throw fuel on the fire now and then, such as with Tenshi Hinanawi, who canonically uses her celestial durability for boredom-drivenmasochism, Suika Ibuki, walking booze hall, and Byakuren Hijiri, who explicitly specializes in body-enhancing spells.
The Golden Sun Gag Battledoujinshi 4koma anthology goes into Psynergy Perversion Potential a few times, such as using Catch to flip Mia's skirt or Reveal to spy through people's clothes.
In The Life Of The Legendaries, the super-high tech cosplay costumes (which turn the wearers into Pokémon) are mentioned to have been put to use for... unclean purposes. And demonstrated when a cosplayer in a Gardevoir costume uses the costume's psychic powers to remove a waitress's dress in a hotel restaurant.
This particularly expansive Dragon Age fanfiction has a scene where the dwarven noble protagonist and the elven mage Warden (all Origin wardens are recruited) briefly discuss the fact that Alim could use his blood magic on any woman if he wanted to assuage his needs. Alim, fortunately, has a distinct hate for mind control and the demons that use/encourage it.
Creative uses for telepathy and metal manipulation are common in the more explicit Xavier/MagnetoSlash Fic. Using telepathy to experience what his partner's feeling is ubiquitous in stories set after Xavier's spinal injury.
Saucy fanart and fanfics for My Little Pony: Friendship is Magic is not going to let us forget all unicorns are telekinetic, starting with it being a really good way to handle your sex toys (especially if you lack hands) and continuing from there.
Romance Reports demonstrates that a sufficiently talented telekinetic doesn't even need sex toys, and can simulate any of their effects from thin air (much to Cheerilee's delight). Furthermore, several side stories demonstrate that earth ponies possessing greater stamina than unicorns and pegasi doesn't only apply to manual labour (much to Rainbow Dash's frustration).
Teen Titans: Half-demon empath/magician Raven has powers of flight, telekinesis, and teleportation. Cyborg's advanced robotic prosthesis can be reconfigured into a variety of tools and weapons. Shapeshifter Beast Boy is abnormally strong and agile and possessed of a very good sense of smell, and this is just when he is in his human form. He's also demonstrated the ability to transform only parts of his body. Some fanfics take these abilities a bit further.
Also Beast Boy can become a literal fly on the wall as he demonstrated in one episode.
The title character of Ben 10 has abilities to shapeshift into various alien creatures, who each possess their own powers and biology, and has unsurprisingly not escaped the fans. As a result, it's fairly common in fanfics to have Ben using his aliens forms' powers to... "better please" his lovers, with some of the most popular to it being Benmummy, Ghostfreak, Goop and Wildmutt. Amusingly enough, this kind of fic is one of the few cases where Julie Yamamoto isn't The Scrappy anymore...
In the Xiaolin Showdown fandom, Chase Young's ability to transform into an anthropomorphized reptile has been translated into the bedroom by quite a few fanfic authors over the years, especially those who slash him with Jack Spicer. It seems to have become pretty ubiquitous fanon that he can only partially transform as well (for example, to have a handy tail), but there is no canon evidence to support this.
In The Auction, Luke tells Mara that now he understands why the old Jedi Order forbid relationships... with Force enhanced sex, no Jedi would ever leave the bed otherwise. (According to Word Of God, the Jedi had no problem with sex, just with relationships.)
One Piece Fandoms have thought of some... disgusting fruits.
A common running theme in saucier fanmaterials of MMO-featuring media like Dot Hack and Sword Art Online is the abuse of in-game skills and social interaction, as well as the more immersive VR elements with tactile feedback, to indulge in cybering with a lot more intimacy.
Loki's replicating powers and their kinky potential are a popular theme in fics. "Pairing - Loki/Loki/Loki/Thor/Loki" etc.
Nearly as common is Tony Stark, horndog extraordinaire, using his technological prowess to invent all kinds of bizarre sex toys. Not to mention Thor and Captain America have been known to make...creative uses of Mjolnir and the indestructible shield at times.
In Kingdom Hearts fanfiction, Marluxia often summons and uses vines for things they were never meant to be used for.
One of the headlines reads about Gazerbeam being accused of using X-Ray vision as a peeping tom.
Fairly innocent, but there IS a scene that has Helen grab her husband's ass from a distance that makes one think about the possibilities.
Also implied in their Playful Banter scene.
Elastigirl: I think you need to be more... flexible." (whips between Mr. Incredible's legs) Mr. Incredible: (blinks) Arrrrrre you doing anything later?
Suffice to say, Rule 34 has had a veritable field day with this super-couple. In fact, the creators decided their powers as they did specifically to get around the Man of Steel, Woman of Kleenex problem.
In Megamind, Titan uses his X-Ray vision at one point to peep into Roxanne Ritchi's apartment. Make of that what you will.
Subverted in All-Star Superman; when inviting Lois to his Fortress of Solitude, Superman allows her to take a shower. While using it, she asks him from the other side of the wall if he is using his X-Ray vision to peep at her, commenting that she would hardly escape the temptation if she could herself. But naturally Superman isn't using it out of respect for her privacy.
Films — Live-Action
The first Superman film has Lois Lane ask him about his X-ray vision... only she was standing behind a lead-lined trellis. Later, after she moved, he returns to the prior subject:
Superman: Pink! Lois: ... What? Superman: (points at her midsection) They're pink. Lois: Aah! (moves back behind the trellis)
In the deleted scenes, Johnny was shown riding the elevators of the Baxter Building and raising the temperature when attractive women would enter, thus forcing them to remove more and more articles of clothing.
MAD played it for laughs in their parody of X-Men. When the team was looking for Rogue after she ran away, Xavier was busy using Cerebro to watch women shower.
Storm: We got a phone call from the train station. Xavier: Okay, but let me make sure she's not in Anna Kournikova's bathroom... just to be safe.
X2: X-Men United had Mystique shift into various women to try and seduce Wolverine. It seemed to be working, too... until she shifted into someone he thought of like a daughter.
Mystique tries the same trick on Magneto, turning from her teenaged form into a more mature woman (Rebecca Romijn in a cameo) in the belief that he'd prefer her that way. Magneto was not impressed, because he wanted "the real Raven." It took her two tries to realize that he wanted her natural blue form.
Xavier in the same film uses his powers to "guess" the drink orders of the women he flirts with.
Emma Frost seduces a Russian general by projecting a mental image of herself so he thinks she's having sex with him, when she's in fact sitting a distance away looking bored.
There are at least three scenes in Mallrats where discussions of this nature take place. Stan Lee finds one fanboy's obsession with superhero genitalia rather distracting, as he's trying to dispense some very useful advice and Jason Lee will not shut up about The Thing's thing.
"He seems to be obsessed with superheroes' private parts."
In Modern Problems, Chevy Chase's character uses his telekinetic power to give his girlfriend a screaming orgasm.
Mel Gibson's character in What Women Want uses his mind reading ability to be better at sex. This ends up backfiring when the woman assumes that the only way he could be that in tune with her is if he was gay. That and the fact that he had trouble getting it up at first.
In The World Is Not Enough, when 007 is visiting Zukovsky's casino, he momentarily switches on the infra-red vision in his glasses, revealing all the women in their underwear. Of course, the glasses reveal that they're all armed, too, so he could just be checking out the opposition. But then, it's Bond.
Pre-referenced in If Looks Could Kill, where Scott Corbin is given a pair of X-Ray glasses by a Hot Scientist. By the time he puts them on, the Genre Savvy (or at least just smart) scientist has already moved behind a lead shield.
In Blue Thunder, while nobody has superpowers, the Metropolitan Police Astro Division apparently has a reputation for using their helicopters to "peek in" on the citizenry. The hero, Frank Murphy, gets in trouble for taking his new observer to see "the girl in Encino", an actress who likes doing nude yoga.
Shows up in Club Dread. The awesome masseur demonstrates his ridiculous knowledge of the pleasure point on a pretty girl (instant orgasm), then makes another girl fall asleep, then the guy she's tied to (It Makes Sense in Context) pee himself.
In Dogma, when Rufus, Bethany, Jay, and Silent Bob are eating at a breakfast place, Rufus talks about being dead (although it's not really a power).
Rufus: You know what the dead do with most of their time? Watch the living. Especially in the shower. Jay: (to Silent Bob) Dude, I can't wait to die.
In The Matrix Reloaded, The Merovingian reprograms a chocolate cake so that when a random woman eats it, she has an orgasm.
In Last Action Hero, once learning that the magic ticket works, Nick the projectionist dreams of using it to visit famous leading ladies like Greta Garbo.
Steve later implies that he uses telekinesis to subtly spice up his love life — "subtly" being the key word, since the three of them are supposed to keep their powers secret.
In Live and Let Die, James Bond uses the electromagnet gadget in his watch to unzip the dress of a woman he's about to sleep with. The woman, thinking he's using his hand, thanks him for having "such a delicate touch."
In Octopussy, James Bond uses the sophisticated camera in Q's lab to zoom in on a woman's cleavage. Vijay snickers; Q gets annoyed and orders him to quit fooling around.
In Ruby Sparks, Calvin writes about a girl named Ruby who comes to life as his girlfriend. When Calvin and his brother Harry find out that anything he writes about Ruby comes true, Harry immediately suggests Calvin write that Ruby has bigger boobs, likes blowjobs, etc. Calvin is disgusted and refuses. Calvin eventually resorts to rewriting Ruby to obey him and be sexier in an attempt to stop her from leaving him, which is incredibly disturbing and plays off like a rape scene, as she's moving against her will and clearly terrified. Calvin realizes how low he's sunk and permanently frees Ruby from his control.
Many a fanfic writer has explored the possibilities of Jareth's all-seeing crystal ball in Labyrinth.
The four protagonists in The Covenant use their powers for pranks. In fact, they are fully aware that magic is incredibly addictive and that, after their 18th Birthday, it goes Up to Eleven but is Cast From Hitpoints, but still do it. In one scene, they are playing pool in a bar and arguing over the color of a girl's panties. One of them uses his power to lift her miniskirt, and victory goes to the one who said she went commando. They also play with cops by driving off a cliff and using their combined powers to levitate the car.
About Time: Tim doesn't seem to particularly revisit his sex scenes with Mary apart from the first. No idea why.
Luke from Duumvirate has electric eel DNA. Turns out his girlfriend enjoys electrical play.
Also, the most popular use of the finite improbability generator? To "break the ice at parties by making all the molecules in the hostess's undergarments leap simultaneously one foot to the left".
In Kelley Armstrong's series Women of the Otherworld, the women's species and/or abilities often play into their sex lives. Particularly Dime Store Magic, in which a witch seduces a sorcerer by using spells to turn on the radio, light candles, caress him with wind, and most notably, use a modified fireball spell that apparently made her warm fingers particularly stimulating. Personal Demon shows us a chaos half-demon who gets a high off chaotic emotions and adrenaline. Her lover arouses her by deliberating calling up memories of risky or chaotic situations and letting her feel his adrenaline rush. In Stolen, the love lives of werewolves are speculated on but the question remains unanswered.
In Julian May's Saga of the Exiles and the prequel/sequels (I hate time travel...) Intervention and the Galactic Milieu trilogy, the recreational aspects of metapsychic life are addressed- indeed, one of the characters in the latter series writes a book about sexual behavior in metapsychics (prompting a comment from the narrator that he wasn't mentioned as the pioneer of doing it in the air).
One of the villains in David Eddings' The Tamuli is an illusionist who made his income conjuring up better-than-reality illusionary prostitutes for a variety of degenerates — and this is quite a substantial income when you live in a Wretched Hive.
Tanith Lee's Vivia includes a scene which seems to be the author's own take on how a vampire's power to turn into mist can be erotic. He turns into mist, flows around the female protagonist and then materializes only his mouth, in about twenty different locations at the same time...
Ian Watson discussed the same thing in a short story about a human who married a djinn.
In Prophecy, by Elizabeth Haydon, the title character (for the previous book), Rhapsody, takes a bath. Her lover has the elemental ties to water and takes the opportunity to put them to good use. Once she realizes what's going on, she decides she'd be more comfortable if he was actually in the water with her. She then discovers that he doesn't need to breathe underwater.
In one of The Witcher novels when Geralt reminisce his stormy romance with Yennefer, fond memories include her levitation spells. And in another - certain wizard's tower is filled with illusions like flowering orchard or naked servant girl.
Deliberately invoked in Death Masks when Harry uses an enchanted rope to tie up Susan after her vampiric hunger begins to overcome her, and then they have sex to calm her down.
Molly suggests he try something similar with Susan in Changes, prompting Harry to be a little disturbed at the fact that her mind went there. Molly tends to occasionally weird him out whenever certain aspects of her life, such as her interest in Bondage, are brought up, mostly because he's known her since she was a little girl so it just seems wrong. Especially when it's directed at him.
Earthcrafters and firecrafters are able to affect the emotions of other people, the former by outright arousing them sexually. The fact that most "entertainers" are well practiced earthcrafters becomes a plot point.
Also a much darker example with discipline collars, which give the wearer a thrill after they follow an order and make it painful to refuse one.
Metalcrafters can use their powers to increase their resistance to pain. Watercrafters can appear to be other people, and at least one has actually used their power for sex. Specifically, Invidia Aquitane becomes a slave girl, her own "present" to her husband. He lends her to Fidelias. She doesn't seem to mind. Watercrafters are also proficient at sensing the emotions of others.
You think it couldn't happen in a saga containing long stretches of abstinence like Twilight? Wrong. In the fourth book, Edward does explain that their inability to sleep allows vampire to fuck the whole night long; they also become endlessly horny after the change. After a while they learn to restrict themselves. Before that, they can do it for weeks.
In the novel Some Other Place, The Right Place, Diana uses her ability to hypnotize Day for some... somewhat unethical methods. Once accidentally, and once deliberately when he refused to give her oral, so she hypnotizes him and makes him do it, which he doesn't realize she did until afterwards.
Night's Dawn trilogy by Patrick F. Hamilton. Al Capone says he can do "amazing things with his wang", as the Possessed can physically alter the bodies they've taken over. Unfortunately this damages the body in the long term — one woman who was given bigger breasts by her former Possessor is revealed to have a chest covered in cancerous growths.
The Fermata is entirely about this. A man discovers the ability to stop time... and uses it almost entirely for voyeuristic purposes.
Either inverted or played straight depending on your attitudes in Halloween Romance. Selene asks her boyfriend Ferdinand if his body works the same in sexual situations now that he's a vampire. He replies that it does, since his blood (very slowly) flows, but "everything takes longer."
In Harry Potter, "Mad-Eye" Moody's false eye can see through clothes. There's no evidence that he himself abuses this ability. His impostor, however, in Goblet of Fire is hinted at doing so. As he talks to Harry, Harry notices the eye following a pair of female students down the hall.
Bug from Gone, who can turn invisible, hides in Diana's room while she's getting changed. The other characters seem aware of this habit, though; Diana chases him out after she hears him, Penny tortures him with her own powers the one time he tried, and Caine makes some death threats before having sex with Diana to make sure, if Bug's in the room, he evacuates.
As expectable in a series involving a Horny Devil as the protagonist, the Georgina Kincaid series makes a large use of this trope at several points, though the "potential" has a very annoying side effect: since Succubi and Incubi feeds on their partners' life forces during the act, Georgina is unable to have sex with her Love Interest Seth Mortensen without causing him to lose part of his lifespan at best, and killing him at worst. She still has straight uses however, including sleeping with an Incubus friend in Seth's form (though she regretted this one later), or using her shapeshifting to cause her panties to disappear.
Jack Fleming from The Vampire Files admits that one of the lesser-known temptations of vampirism is the risk of becoming a compulsive voyeur, what with having so many long nights to fill and the power to invade peoples' privacy via Super Smoke. Also, in The Dark Sleep, he and Bobbi make out when he's standing in front of her dressing room mirror, and notice that his lack of a reflection makes for an... interesting... display when she wraps her legs around him.
Vorkosigan Saga: In Captain Vorpatril's Alliance, Ivan mentions finding out that Simon Illyan's eidetic memory chip was once the repository of the largest and strangest porn collection on Barrayar.
In A Spell for Chameleon by Piers Anthony, the hero encounters a sorceress who is a master of illusion magic. She attempts to seduce the hero by making herself appear as a beautiful and buxom young woman (when in reality she is far less attractive).
In Memoirs of a Space Traveller V (The Washing Machine Tragedy) competition between two large washing-machine manufacturers, their Sex Sells ad campaigns and Feature Creep resulted in humanoid robotic laundresses, who quickly started providing other services to their owners of either gender. As well as seducing their children.
In Peace on Earth the first use for remote-controlled dolls — "empties" or "remotes" — was sex. Among the major buyers were old prostitutes — no longer good-looking, but very experienced. The legal implications are mentioned: what constitutes infidelity, incest, homosexuality (where still illegal), sadism, pedophilia, etc. where "remotes" are involved. Sex robots with real AI failed on the market, because they were expensive and unpleasantly smart for their users.
In The Repetition one paragraph lists the troubles caused by the possibility of Time Travel. There's a list of "chronoperversions: futurophilia, time fetishism, delectatio temporosa ["being delighted by time"], autopedophilia, i.e. aged perverts stalking themselves in childhood, and chronanism".
In Education of Cyfranius, the second Nested Story outlines the history of a planet where technological progress left the population idle making fornication their favorite activity. This lead to creation of many industries, professions and devices. Most are mentioned only by Punny Names and their exact meaning is left for readers to deduce. Among the ones somewhat elaborated upon are such things as trimaturgy — dramatizing family life by building Love Triangles; bodymaster — a (rich) person controlling multiple gengineered bodies; spiritstove — a device to torture to death a recorded consciousness of a living or fictional person; exterrier — a former dog; piter — a person erased from global information network by mistake and hiding from civilization in a pit (people enjoying sex with anonymous piters employed packs of trained exterriers to search for them).
Rick Cook's Wizardry Compiled inverts this. The heroes desperately need something to slow the flow of time to finish their programming project as soon as possible. Fortunately, a spell is known that doubles the length of a night in the affected room. Some great ancient wizard invented it for his wedding night (but lacked physical strength to perform that long, as he found out). Programmers work night shifts about 24 hours long and rest about 12 hours during the day, which allows them to meet the deadline.
Referred to in an episode, when dealing with a man who could detach any part of his body and let it wander around independently. He stalks a woman, eventually sending his hands into her house to crawl around under her bed covers. As Doyle notes, "At least it was just his hands down there... Wish I hadn't even thought that."
Also, the physics genius who discovered the means to arrest time in a specific area, and tried to use it to freeze himself and his girlfriend at the peak of an everlasting orgasm.
Even our hero does it — Angel mentions using his superhearing to listen in on Fred and Gunn having sex and indulging in A Date with Rosie Palms.
An episode of Honey, I Shrunk the Kids involved Wayne's family rescuing him from kidnappers, using superpowers they'd received based on a chameleon. Amy the daughter was invisible due to permanent camouflage, Nick the son had mutated hands and feet that allowed him to climb walls, and Diane... Diane had a long tongue. A really long tongue. The Power Perversion Potential was explicitly stated when, after rescue, Wayne promises his family to immediately reverse their changes but Diane, when the others leave, smiles and says she can wait a bit, and then gives him a kiss that has him wide-eyed.
Star Trek barely scratched the surface of all the Not Safe for Work things people would probably do with all the alien species and available technology if given the opportunity, but did offer some intriguing hints:
In Star Trek: The Next Generation, an intoxicated Tasha Yar confirmed early on that yes, Data is fully functional and has multiple "recreational" techniques programmed into him.
In Star Trek: Deep Space Nine, Quark's holosuites included programs such as "Vulcan Love Slaves" which were very popular with a certain clientèle.
It was also established that Klingon resilience makes for some extremely rough sex. Broken bones on the wedding night are kind of a badge of honor.
In Star Trek: Voyager, both the holographic doctor and Tom Paris employed the holodeck to help their resident Vulcans deal with their Pon Farr problem. The Doctor has also explicitly upgraded himself with the necessary equipment for sex. His superior model in the Alpha Quadrant couldn't help but ask for that particular modification.
In Star Trek: Enterprise, Tucker once accidentally cloaked half his arm. Mayweather casually suggests "It might be helpful on movie night, if you bring a date", only for Tucker to shoot him a look. Then Mayweather clarifies: "in case you want to steal some popcorn...."
Piper Halliwell, who has the special power to stop motion, once mentions that she "freezes" her date when they are... so she can...
Phoebe eventually gains empathic powers which cause this to happen unintentionally. She has trouble being around her boyfriend since the combined emotions of herself and him make her think about nothing but sex. It got even worse when she ended up in a room with a guy who was checking out her sister and realized that she was starting to think about how good her sister's butt looked in that dress.
The season 1 villain Rex uses his astral projection power to spy on Prue changing her clothes. Then, he plants a subliminal message in his lover Hannah to make her take off her dress.
An episode of The Big Bang Theory has someone bring up whether or not Mrs. Incredible needs to use birth control, as she could potentially use her powers to simulate a diaphragm. They decide this is proof that they have run out of things to discuss.
And then there's Faith bragging to Spike about what she can do with her Slayer muscles. Both Spike and Parker comment favorably on Buffy's stamina in the bedroom, so she's not lying.
The Nerd Trio are seen trying to use their inventions for various perverted purposes, like an invisibility gun to help them spy on a bikini wax and a mind control device to pick up chicks. The latter is subverted when the girl wakes up early and angrily tells them what they're doing is rape and is killed when she tries to escape — the scene marks the trio crossing the Moral Event Horizon from comic relief to dangerous villains.
Lois and Clark on the ceiling. There is also one scene where Clark uses X-ray vision to see Lois' underwear. This is after they get married.
There's also an episode where a regular Joe is granted Superman's powers. When he tracks the guy down, he finds him sitting on a building using his X-ray vision to look through the building across the way... and into a women's locker room. Superman is not amused.
Also, Clark — usually when under the influence of red kryptonite has occasionally used his X-ray vision for voyeuristic purposes. The odd thing is, here his X-ray vision is shown in a more realistic way (like X-ray scan photos); however, it becomes the plain see-through version for two times: once when peeking into the girl's locker room (he was admittedly inexperienced with X-ray vision at the time, but his expression tells you he is not terribly sorry), and once when he is affected by red kryptonite and he purposefully sees through Chloe and Lana's clothes.
Clark: Did you know that Chloe has a birthmark on her cheek? Pete: No she doesn't. Clark: Not that cheek. Pete: Are you doing what I think you are doing? (Clark gazes at Chloe with a dreamy expression) Pete:Clark, that isChloeyou are scoping, man! Clark:Not just Chloe. (camera swerves to show Lana next to Chloe)
And in "Freak" it is implied that to do the X-ray vision to see bones and such, he has to see the subject naked first.
Also inverted when Clark is Brought Down to Normal. Since under normal circumstances a human partner couldn't do the deed without him potentially killing them (hence the above), Clark has exploited the opportunity to scratch that itch. He later gets training to avoid that problem.
In an early episode, Matt uses his telepathy to improve his and his wife's sex life.
Near the beginning of the second season, Candice (while taking care of the recovering Sylar) tries to tempt his cooperation with various sexual fetishes - a geisha, twin blonde cheerleaders, and finally, Sylar himself. Unfortunately for her, sex is not Sylar's number one craving...
In the parody The Curse of Fatal Death after the doctor regenerates into a woman, she is eager to use some of the sonic screwdriver's "other" settings.
In a new series episode, the Doctor tries various settings on his screwdriver to disable an invisible monster. Another character (who can see it) comments that it seemed to rather enjoy one of the settings, which seems to disturb the Doctor.
The Doctor uses the screwdriver to assist River from range. "Ooh Doctor," Amy teases, aware that the two are attracted to each other "you Soniced her."
Needless to say, the screwdriver has become rather popular for such purposes in fandom.
At least a couple of characters, upon learning the Doctor has two hearts, have asked if he has two of anything else.
The season 4 finale creates a clone of the Doctor, and another character gets a copy of his mind. As Jack puts it: "Three Doctors? I can't tell you what I'm thinking right now."
The minisodes have used this one twice. In "Time/Space" there are two Amy Ponds, who flirt with themselves, something which Rory has "absolutely no problem at all" with. In "First Night/Last Night" two different versions of River Song see two Doctors, and both comment, "Two of you? The mind races!"
River song mentions that she once dated a Nestene duplicate. It had swappable heads, which "kept things interesting."
The Doctor reads the mind of historical courtesan Madame de Pompadour, and his dialog makes it rather clear that he's stumbling across some rather kinky memories. She seems to enjoy it.
After the Silurian Vastra mentions how mammals look the same to her in front of her human girlfriend, she asks "Was I being insensitive again, dear? I don't know why you put up with me." She then uses her long, prehensile tongue to knock an enemy soldier unconscious from across the room, and the two share a Look. Moffat, you do remember you're writing Who, not Torchwood, right?
Sam has always been less than tender with his partners. So when he becomes addicted to the powers he gets from demon blood, he and his female demonmentor can take advantage of any open wounds she happens to have. Or, they could make some new ones. Hey, it's all practice.
In one episode of The Greatest American Hero, Ralph temporarily gains mind-control powers, which he uses on his wife Pam. This being '80s American network television, it was just some window-washing and sandwich-making.
One of the troubled cases on Fringe is a projective empath — he makes people around him feel what he feels. His first appearance is as a paranoid, depressive (leading to several "suicides", and at least one homicide, thanks to his Power Incontinence). By the next time we see him, he has control of his powers, a much healthier psyche, and a girlfriend. A throwaway line from his girlfriend (while the couple are in bed) suggests that he is not limited to projecting emotional states, but also sense-data. While they are trying to track him down, Walter links Olvia's mind with his. While he goes to a strip club, and projects his lust onto a stripper, who kisses him, Olivia takes his place in the audience's view.
Basically the whole premise of Dollhouse. There are some clients that want something like an assassin, a hostage negotiator, a bodyguard, or what-have-you, but the vast majority of their income is from providing preprogrammed Sex Slaves. Beyond what most of the Actives are used for is their very existence. You have a technology capable of revolutionizing everything from education to the treatment of psychiatric illnesses, and yet the only time these ideas are even touched upon is in their use as a recruiting tool for potential Actives.
Vampires often use their super-human strength and speed on intimate partners. A couple times vampires have been shown to screw at "warp speed".
When Jason finds out that Sam is a shifter, he begins to wonder just what other uses this power has. He once wonders if Sam has had sex with an animal while an animal, because it wouldn't be bestiality if Sam was in animal form, it'd just be nature. Andy is disgusted by even thinking of this. It's unknown if Sam does this or not.
In an episode of Extras, Ricky Gervais is talking with Patrick Stewart. Stewart is complaining that he's tired of playing Professor X and wants to focus on his own original character: a psychic who can make womens' clothes fall off.
Stewart: Oh, they try to cover up, but I've already seen everything.
Shown several times in The Invisible Man. Surprisingly, Darien, being a thief, rarely uses his new ability to steal, except when specifically assigned to do so. He does this in the series finale, only to leave the stolen money on the sidewalk after having a realization that he doesn't want to go back to his old life anymore. In the pilot, he tries to spy on a soldier and a nurse getting it on. Unfortunately for him (and the audience), his ability is controlled by adrenalin, resulting in him inadvertently becoming visible. The soldier is not amused. After getting his black eye taken care of, he learns some yogic techniques which not only give him complete control over his ability but also allow him to cover only parts of his body with "quicksilver" as well as coat other objects with the substance. He later sneaks into the house of his Keeper but stops short of seeing her in the shower (especially since water would make him visible). A character asks him later if he has ever sneaked into the girls' locker room while invisible.
Subverted with Rachel's preternaturally sharp senses, which make her much more sensitive to stimuli of all sorts, which means that she can orgasm just from being kissed; the subversion is that this contributes to her OCD, such that she cannot bear to be touched, especially not in a sexual way, even just to be kissed.
Played straight, however, with Danielle Rosen, who uses her ability to manipulate feelings by touch to enhance sex.
Nina has used her mind-control ability to lure her childhood sweetheart away from his wife, and kept using it on him to force him to stay with her for quite some time. It is also implied that Cameron and Nina broke up because she used her ability on him in a way that made him very uncomfortable.
Explicit with Alisha's power, which is to make men ravenously lustful for her.
Later, Curtis and his girlfriend discuss using his time-jump power at just the right time...
Subverted in The Vampire Diaries. When Elena becomes a vampire in Season 4, she becomes "sire-bound" to Damon. Not only must she do anything he tells her will make him happy, she wants to. She breaks up with Stephan and has sex with Damon, but at this point Damon is unaware of the sire bond. When he learns that is what is happening, he tries very hard to resist taking advantage of the opportunity—no small feat for a Villain Protagonist.
In Babylon 5 G'Kar gets a prosthetic eye that relays images into his brain even when removed from the socket. He leaves it on a shelf in Sheridan's quarters just before Sheridan and Delenn have their wedding night.
Tom Smith's "Waking Up Jedi". Two excerpted lines:
I had those Jedi mind tricks which were quite the little perk / My girlfriend is weak-minded; I was almost late for work. And best of all, my girl and I combine our Jedi powers / There's lots of ways to use the force. And some can last for hours.
Several examples of this are featured in the "Superhero Sex Scenes" sketches on Mikey Mason's album Squedge.
The Ring of Gyges is a good example, where the man Gyges finds a ring that makes him invisible. He proceeds to rape the King's wife, simply because he can.
Loki from Norse Mythology can transform too, though he might have a weird mix of fetishes. He did once turn into a female horse... and got pregnant.
There is in Germany the myth of an anti-Santa, The Krampus. He's a demon who kidnaps bad children at Christmas. And he has a very long tongue. Most postcards featuring Krampus have him kidnapping women rather than children. Women who don't look at all unhappy.
There is a fan-created rulebook for 2nd edition which concerns sex. In addition to setting out a great deal of information about the copulative habits of elves and whatnot, it also has a section of "New Kinks with Old Spells", which puts a sexual twist on traditional D&D spells. They include charm person, polymorph and unseen servant. Think about that last one for a moment.
In the same universe, there's also the d20-era "Book of Erotic Fantasy" with similar content.
On the non-magical side of D&D, a character who gets a high enough result on an Escape Artist skill check is capable of squeezing through a four-square-inch hole. 4chan decided to go "spelunking".
In the Eberron setting, it is repeatedly and explicitly established that changelings can have whatever appearance or gender they like, as long as it is humanoid, in the Medium size category, and they don't change sexwhile pregnant.
In one of the sourcebooks for Aberrant, White Wolf's supers game, there is an organization made up of GLBT novas who band together for queer solidarity. This includes activists, crimefighters, superpowered pro wrestlers... and some more bent characters like Tommy Orgy, a musician with duplication powers, and The Master, a hyper-charismatic dominant who specializes in using his powers to "correct" homophobes.
The Lunars can create empowered demi-humans called Beastmen. To do so, they need to either A) take a human form and have intercourse with an animal or B) take an animal form and have intercourse with a human... keep in mind, some characters have entire armies of these.
There's also a skill they can learn which allows them to swap gender.
And as of Dreams of the First Age, Lunars have access to a high-Essence Shapeshifting Knack that modifies their ability to take another human's form. Instead of needing to kill the human and partake of their heart's blood, they just need to have sex with them.
There are two sex-based martial arts styles. The Scroll of the Monk introduced Orgiastic Fugitive Style, although that book is considered Fanon Discontinuity. Glories of the Most High provided the alternative.
And we can't forget that Solars have a Performance charm specifically to make everyone present fall in love with them or their cause. It's called "Husband-Seducing Demon Dance".
GURPS has fun with this. Flexibility explicitly gives you a bonus on Erotic Art rolls. The Bio-Tech supplement is very aware of this trope with it's "enhanced female secondary and male primary sexual characteristics", "Exotic Genitalia" and "Prehensile Tongue" all giving bonuses to the same skill.
Shadowrun is full of this, at least in the setting chapters. Certain mages have been rumored to use Summoned Spirits for... services. Simsense can be — and often is — used in a similar manner. The chapter on Sapient Shapeshifting Animals as PCs has a sidebar called "But they look Metahuman!", in which a Jackpoint poster attempts to explain the differences between shifters and actual metahumans (resulting in Fastjack having to edit the explicit sexual content out of the post). The Augmentation supplement includes stats for a cybernetic... enhancement. To top it all off? Street Magic contains variants on the "Confusion" spell called "Orgasm" and "Orgy". That's not even getting into Seattle's underground sex industry, or the more "creative" uses of various other abilities.
Mage: The Awakening has an entire Legacy, the Whipping Boys, that originated when a depressed mage psychically compelled a dominant to really hurt him during a session and found something transcendent beyond the pain.
And beating out the Whipping Boys would be the Cult of Ecstasy from the predecessor game, Mage: The Ascension. The cult is made of various ecstatics who find power in the exhaustion of the body. This can be anything from exercise to drugs to fasting, but sex seems to be very, very popular. And they have control over Time, which can lead to some interesting scenarios.
Werewolf: The Apocalypse has Gifts, magical abilities one can learn from various spirits of nature. Animal Attraction causes a flood of pheromones to act as a very powerful aphrodisiac. Persuasion is used to give credence or imbue greater meaning when persuading someone. Depending on your Storyteller, Persuasion can be used to convince someone to do anything.
Werewolf: The Forsaken has the "Call Human" rite, which explicitly mentions in its description that less-than-virtuous werewolves have used it to summon random humans to their location to rape them. That said, the sexual/spiritual/pheromonal attraction between a werewolf and a wolf-blooded human is strong enough to almost qualify as date rape itself.
Followers and daemons of Slaanesh in Warhammer and Warhammer 40,000 are constantly seeking new sensations, so this trope appears occasionally. It is never, ever pleasant for the receiver(s). Slaanesh is pretty much the literal embodiment of this trope, and probably it's most frequent abuser.
FATAL, although there, it's not so much "Perversion Potential" as it is "Perversion: The Game".
Cyberpunk 2020 has both cybernetic implants (for both sexes) and mind altering chips (giving you skills to seduce and please). Because "it's not not enough to be hung like a horse, you must know how to use it".
Used in the toe-curling hilarious fan-made H-Game, Phoenix Drive — from what is legible from the awesomely terrible translation, it's shameless about having the characters who are mediums use their powers to, er, change their body shape during... activities. Highlights involve them channeling 'sleeping girls' (incidentally, Franziska von Karma and April May), which is a power certainly not exhibited in-game, and keeping their original personality during a channeling (insofar as the characters in the game had their original personalities).
Biotics can be used for... all manner of purposes. Mordin will even point this out if Shepard is pursuing a romance with a biotic, offering some manuals and reading material on helping you get the most bang for your biotic. Doubly hilarious if Shepard is also a biotic.
Gentleman Thief Kasumi Goto takes full advantage of her cloaking, offering a few... perceptive observations, like this one if you romance Miranda:
Kasumi: I have to ask: how genetically modified is Miranda? Because... wow.
Isabela to Anders, recounting an evening at a Denerim brothel: "Oh! Were you the runaway mage who could do that electricity thing? That was nice..."
And then Isabela gets curious about Fenris' intangibility punch—or, as she calls it, "that magical fisting thing you do"—and speculates he could make a lot of money out of it.
In the "Legacy" DLC, if you pursued a romance with Merrill and take her and Anders with you, Anders might note how he saw her poking around his books the other day. She explains that she wanted to find some "dirty spells". Before the conversation escalates, Hawke stops it with a "Please, stop talking."
The Scout Plasmid of BioShock 2 is, for all intentions, an Astral Projection power set, allowing the user's consciousness to move and effect the world independently of its body. A cut audio diary from the game reveals that a man named Tommy Hanrahan was using it to spy on the ladies' dressing room at the Adonis Resort. For added perversion, realise that this Plasmid was being sold on the open market, without regulations, without restrictions, and without any way of policing what Hanrahan was up to!
There is a dungeon called Yngvild where a shunned necromancer named Arondil has taken refuge. After he starts resurrecting the bodies in the crypt he finds a lot of them are female, and he slowly realizes the advantages of having an army of reanimated women that bend to his will. Then it gets weird. He discovers it feels a lot better to feel up the ghosts than have sex with the bodies, and proceeds to have his zombies go kidnap more women.
If you level up your pickpocketing skill to 100, you can get the Perfect Touch perk, which lets you steal people's equipped items. Like their clothes. That they are currently wearing. This leads to many of Skyrim's women suddenly losing everything but their lingerie and continuing their daily lives while almost naked, all thanks to one lusty Dragonborn.
When the protagonist of Planescape: Torment learns about Grace's succubus kiss, he takes his time to write down that, as immortal, he can survive it.
One of the optional puzzles in Grace's Bordello is solving the mystery of disappearing lingerie. It turns out to be mage, shapeshifted into a dresser, to hold all the ladies' underwear. Since he's a mortal human, this isn't an innate power — he dedicated years into intense study and practice for this thrill.
Mei Suen: You can tell your customers to get augmentations themselves so they can go fuck themselves! Edgar Lee: I'm sure some of them already have.
One of your party members in Mask of the Betrayer is Gannayev, the son of a night hag who has the ability to enter into and travel through people's dreams. Being one of the very few pretty hagspawns in the land and more than a bit of a Casanova, he gleefully abuses this power to hop into the dreams of horny farm girls so he can get laid even in his sleep.
Raidou Kuzunoha vs. King Abaddon has the option to use a Skill Order demon in conjunction with a strand of hair to morph the hero into a woman. In fact, alignment can be freely changed before the locking event by visiting the local bathhouse in that shape, and checking if you can get in.
Done offscreen: after Dave and Helen hook up, it's hinted that they use the "gender-swap tablets" seen earlier in the strip's run to... interesting effect (as well as the anti-gravity generator, and the nutrient tanks, and the containment room with the padded walls, and the electrodes, and the Steam Caverns of Mars...) One of Dave's laments after they break up is "Good Lord, I'll never have lesbian sex again!"
Another strip has some of the other characters discussing Helen and Dave's relationship. After Helen wanders by, one of them comments "I'm pretty sure that was actually Dave..."
Grace. A Squirrel/Girl/Alien hybrid with the ability to take nearly any shape, of EITHER gender. Helped along by a boyfriend whose fetishes mostly seem to revolve around Transgender Furry fantasies. She's also a Tyke Bomb ( of the laser guided variety), and Mr. Verres mentions specifically that she was designed infertile in all but her human form, since her creators weren't sure what would happen if she got pregnant in hybrid form.
Mr. Verres: Stop smiling like that! Tedd: I'm sorry, I can't help it.
Discussed: by the structure of the setting, all subordinate units are compelled to automatically obey the orders of any superior. That means any order. Maggie even suggests that Parson could order one of the Archons to sleep with him if he needs to relieve stress, which he finds quite disturbing. More specifically, Archons are essentially angels that are hired out by their Private Military Contractor boss. They're hired on a sliding scale of fees, and the most expensive is "full service", where warlords "make use of them" before sending them out to fight. Since they were resurrected by his side, they've decided to treat Parson as if he has hired them in this way.
Another feature of Erfworld is that all non-fatal injuries completely heal at the start of your side's turn. BDSM can get a lot more hardcore when the only limitation is "don't croak your partner".
A strip (NSFW) has a knight hearing of a girl with the power to inflict everything done to her onto her opponents instead, making her invincible. The knight pursues her to experiment with screwing himself by proxy.
Really, Oglaf is sex comedy in a fantasy kingdom. It'd probably be easier to count the comics that don't have this as the punch line in some way or another. Indeed, the archive page marks a small number of strips as "SFW", given that most are not.
At least part of Stef's interest in Mackenzie is because Mack is Nigh Invulnerable, but still feels pain — and likes it.
Fee Jee also takes advantage of this at one point, as it let's her pretend to feed on a human without consequences.
The side character stories also feature a psychic who enjoys telepathically participating in her neighbor's sex, and using telekinesis for unusual purposes.
The Dungeon Verse-inspired site Les Parchemins Anodins managed to invert this trope, noticing that a monocle invented to see girls naked can be useful to look for daggers hidden in sleeves.
Bartleby Tales covers an amazing variety of fetishes, but the most obvious in this sense is that everyone in Hell can reassemble himself or herself after extreme injury. In other words, if you can find a willing partner, you can engage in completely nonlethal Guro fantasies. (This is explored as early as the first chapter, when a character gets off on swallowing a live grenade.)
The SCP Foundation often has to prevent both the general populace and its own personnel from using SCPs for such purposes. For one, SCP-1056, the kitchen timer-like device that can make people grow or shrink, was found in the possession of a high school student who was using it for "recreational purposes."
Visit any Real Life forum about Lucid Dreaming. At least one person will claim to have used it to give themselves some really kinky dreams. This just gets worse if the person in question is also into superpowers...
From That Other Wiki's page on telekinesis: "movement of matter at the micro or macro (visible objects, life forms, etc.) levels; move, lift, agitate, vibrate, spin, bend, break, or impact."
One of the early examples was Chaka using her power over Ki to give her girlfriend Riptide a massage that left her pretty much a cooing puddle. Most of "Sara's Little Purple Book" is about the subject.
Tansy Walcutt uses her telepathy during sex to give her partners an amazing time. And so she can plant psychic hooks in their minds to control them later.
Ayla uses her Intangible Man powers to take off girls' underwear through their clothes, during fights. She actually has to practice the technique with mannequins before she does it for real so she doesn't Tele-Frag someone in half.
A straightforward in-universe example is Peeper, who uses his X-ray vision exactly the way you'd expect a lecherous outright jerk of a teenager to. (It turns out that he can't turn it off, but his attitude appears to predate his power; in one story, upon being given a computer monitor he can actually use because he doesn't see straight through it his very first thought is that he can finally browse the internet for porn again.)
Worm has quite a few powers with obvious potential this way.
Heartbreaker using his power (ability to instill extreme loyalty/love in a target) to form a harem is somewhat infamous in the story itself.
Los Hermanos (a duplicator) had admitted that he's used his powers not only to have "instant threesomes" with whomever he is seeing at the time, and to date multiple people at the same time, but has even used his powers for self-gratification (he explained having sex with one of his duplicates as just another form of masturbation).
Ambrosia, a supervillain from the same setting, has pheremonic control over men. Her list of conquests is long, long indeed.
During the Death 13 arc in Vaguely Recalling Jo Jo, one of the things Kakyoin does in the Dream World is to wish for the appearance of his favorite Anime heroine, but Death 13 shows up and denies Kakyoin's wish. When Hierophant Green is punishing Death 13, Kakyoin asks Death 13 to grant that wish.
Inverted with the Flash in "Injustice for All", when Hawkgirl speculates that his speed is why he can't get a date. He agrees, but after the beat, he gets what she's talking about. (Ironically, a later episode indicates that he's actually an excellent lover.)
In the episode "New Kids in Town", after the Legion of Super-Heroes travel back in time and rescue a teenaged Clark Kent from Brainiac, Saturn Girl erases everyone's memories to prevent affecting history. She decides to take advantage of this by kissing Clark.
The second episode brings up the "girl's locker room" version of this trope, when a teenaged Clark confides to Lana that he can see through solid walls all of a sudden. Though it isn't brought up in the way one might think. Clark reveals this to Lana by viewing through a wall where an elderly teacher of theirs is putting up decorations for a school dance and Clark being concerned about no one holding the ladder she's perched on. Lana then jokes on how many times he's used this ability to peek into the girl's locker room. Clark doesn't exactly take her kidding around very well.
In the movie "Into the Wild Green Yonder", Fry gains the ability to read minds and, wanting to utilize his "super power," attempts to sneak into a women's locker room. After being thrown out, he realizes he confused "mind-reading" with "invisibility."
In "Kif Gets Knocked Up a Notch", a Holodeck Malfunction brings the characters within to life. Zap, upon seeing the rampage, complains that the last malfunction resulted in him being slapped with three paternity suits.
In a Cutaway Gag on Family Guy, Peter references the time he was a Wonder Twin. When Jayna told Peter to hurry up, he said he'd be "right behind her". He then shapeshifts into the form of Jayna's tampon and said all he had to do now was play the waiting game.
Young Justice has Miss Martian and Superboy engage in a little roleplay scenario where M'gann assumes the form of Black Canary in some very friendly sparring where they eventually end up kissing. When witnessing footage of this Green Arrow finds it very funny but Black Canary is not at all amused. J'onn comments that this is a normal game on Mars given that both parties are always aware of the other's true identity.
The Fairly OddParents, Timmy can get his fairy's to wish for almost anything as long as it doesn't breach Da Rules. One time he wished for a room full of supermodels, you get the idea.