It’s not a bird, and it’s not a plane, but here are some pretty cool facts about your favourite fictional crime fighters.
The curious case of kryptonite
We all know that kryptonite is Superman’s weakness, and what’s even more interesting is the way in which the evil stuff was first introduced. While it appeared in the Superman comics as early as 1949, kryptonite first became a thing when the voice actor who played the superhero in the radio show The Adventures of Superman needed a vacation. It was in this show in 1943 that kryptonite was debuted as a deadly mineral.

Name that superhero
Batman’s real name is Bruce Wayne and it has historical roots. He was named after the Scottish national hero Robert the Bruce and Mad Anthony Wayne, a hero of the American Revolution.
Fly Guy?
It wasn’t a real-life spider that inspired Stan Lee to create Spider-Man, but rather a winged insect that he noticed crawling along a wall at Marvel HQ. When Lee spied the bug, he considered that his next superhero should be one that can stick to vertical surfaces.
The many roles of Wonder Woman
Wonder Woman’s alter ego, Diana Prince, has held a slew of different jobs over the years, and not all were super glamorous. She worked as a romance novel writer, fast food employee, singer, spy, and, most famously, as the secretary of the Justice League.
Captain America’s name change
The shield-wielding superhero was originally created in 1940 as a response to World War II and was was first named Super American. The name didn’t last long because the creators felt there were too many superheroes using “super” in their ID.

Iron Man’s impressive suit
When Tony Stark designed the Iron Man suit, he pretty much thought of everything a superhero could possibly need to fight the bad guys. In later years, Stark made improvements on the suit with Hulkbuster armor so that he could lift 175 tons in an effort to combat the Incredible Hulk.
Thor’s out-of-this-world accomplishment
Thor is massive, standing at 6’6 and weighing 640 lbs. Not only does he hold tremendous strength, but he is the one superhero that was actually able to accomplish the unthinkable – putting a dent in Captain America’s practically-impossible-to-destroy shield using Mjolnir.
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