Look, we get why superheroes need weaknesses. You can't just have them going around doing as they please without any limitations or every crisis would be over in five minutes.
But for whatever reason, comic book writers ran out of weaknesses that make any kind of sense at all right around the time that they decided the Green Lantern's weakness is the color yellow.
6Wonder Woman: Having Her Hands Tied by a Man
Wonder Woman, besides usually being the only thing that keeps the Justice League from turning into a complete sausage party, has transcended comic books and become an enduring symbol for feminism. She's always been portrayed as a badass Amazon warrior who doesn't take shit from anyone and, unlike Batman, she isn't afraid to break a neck or two when she has to.
"Guess I'm in quite a snappy mood today, haha ... but no, seriously, that's murder."
Why do you think Gotham City gets all the great villains? Most of them are too afraid to go near Wonder Woman's turf.
The Ridiculous Weakness:
Of course, originally Wonder Woman was created as, well, pretty much the exact opposite of what we just described. We've mentioned before that her creator believed bondage was the key to a healthy relationship and tried to include as much as of it in his comics as possible -- what we didn't tell you is that he also made it so all of Wonder Woman's amazing powers were rendered completely useless if her hands were bound by a man.
"I'm a normal woman now! What fate could be worse?"
And yes, it only works if a man does it, so when you think about, the real weakness here is scrotums. However, her one weakness was also apparently the only thing keeping her destructive tendencies in check: If Wonder Woman's Bracelets of Submission were broken, she would "launch into an uncontrollable rage."
This wasn't just in the '40s, by the way -- the same ridiculously offensive weaknesses were still being used as recently as the late '70s, while the live-action Wonder Woman TV show was on the air:
"I CAN NO LONGER CONTAIN MY HATRED OF TRUCKS!"
It was only in the '80s that DC Comics started ignoring all that crap. Fortunately this still gives us 40 years of material to take out of context and make fun of.
A henchman chipped her nail in issue #45 so she just sat down and waited to be shot.
5Thor: Letting Go of His Hammer for 60 Seconds
If Wonder Woman is about feminism, The Mighty Thor is all about how wonderful it is to have a penis. It would be silly to pretend that comic book writers are completely unaware of the phallic nature of Thor's hammer -- it's, uh, kinda hard to miss. He even gave it a nickname ("Mjolnir") and has been known to flaunt it in front of the ladies.
"Too easy." -Cracked Caption Department
With his super strength, flight, control of lightning and (at this point) superfluous magical abilities, Thor is possibly the most powerful superhero ever. All those powers are derived from his massive dong-like hammer ... you can probably see where this is going.
The Ridiculous Weakness:
As explained in the early Thor comics, if he lets go of his hammer for more than a minute he loses his god status and becomes human, while the hammer itself turns into a flimsy walking stick.
Marvel Team-Up #26 (1974)
Though he does gain the new powers of walking away nonchalantly and filing his taxes.
To make matters worse, Thor's secret identity (med student Donald Blake) is basically a younger version of the main character from House, right down to the crippled leg, the scrawny physique and the annoying god complex (though in this case it's somewhat justified). Think about it: Thor is the mightiest hero ever, but he can't even fall asleep without firmly clutching his hammer under the covers and oh God the penis similarities keep coming. But all of that is beside the point. This weakness wouldn't be so much of a problem if Thor's main crime-fighting method didn't consist of throwing the hammer great distances.
"Really should have thought that through."
Usually Mjolnir comes back by itself, but the only thing his enemies have to do is make sure it doesn't and Thor is completely fucked. This happened more often than you'd think.
It slid under his car one time and he got all muddy and flustered while retrieving it.
Oh, and if anyone else happens to pick up the hammer while Thor is rushing to reach it, if they "be worthy," they gain all of his powers. Eventually, Thor's laughable 60-second limitation was removed through complex mystical methods.