When Robert Downey Jr. was in high school, he was once suspended for tearing a classmate's comic book to pieces and calling him a "nerd." The comic book? The Invincible Iron Man

Famous loner Wolverine has actually been on more super teams than any other Marvel character.

It was revealed in the 1980s that Peter Parker, Spider-Man's secret identity, grew up at 20 Ingram Street in Forest Hills, Queens

Iron Man's suit is made up of roughly 450 separate pieces.

Natalia Romanova, also known as Black Widow, is still a super hottie thanks to a variation of the super-soldier serum.

Chris Evans turned down the role of Captain America three times before the producers eventually convinced him to accept it.

Mark Ruffalo had to leave to the premiere of The Avengers early because his four-year-old daughter was so terrified of her father's onscreen transformation into the Hulk. We don't blame her!

For Thor: The Dark World, there were over 30 Mjölnirs (Thor's hammer) created.

Michael Jackson tried to buy Marvel Comics in the early 90s. He was planning to produce and star in a Spider-Man movie that never happened. Wouldn't that be crazy?

Deadpool originated as a spoof of DC Comic's Deathstroke. That's why Deadpool's real name, Wade Wilson, is so similar to Deathstroke's, Slade Wilson.

A body double was used for Chris Evans in Captain America: The First Avenger for the scenes where he's skinny.

Red Skull, Captain America's nemesis, was created after Joe Simon noticed the cherry on his ice cream sundae resembled a skull. Such delicious beginnings for such an evil guy, no?

The chemicals from the blue make-up used to transform Rebecca Romijn into Mystique caused her to yak blue vomit all over Hugh Jackman after taking a tequila shot.

The chemicals from the blue make-up used to transform Rebecca Romijn into Mystique caused her to yak blue vomit all over Hugh Jackman after taking a tequila shot.

Cyclops' eyes function as a portal to another dimension that generates the energy used for his optic blasts. He's also immune to his powers, which is why he doesn't blast his own eyelids off.

Marvel evaded a law raising taxes on toys based on humans by claiming the X-Men toys were mutants, not humans. Clever, clever!

In Captain America: The Winter Soldier, Falcon's flight gear has a Stark Industries logo on it

The Punisher was originally created as an adversary for Spider-Man before getting his own standalone comic in 1986.

Believe it or not, the richest superhero is not the incredibly wealthy Tony Stark (Iron Man); it's actually Black Panther. He has 5 times Stark's fortune, $500 billion.

When Stan Lee initially pitched Spider-Man, his publishers thought it would fail because nobody wants to see a teenage hero (and, obvi nobody likes spiders).

Captain America is one of the few people able to use Iron Man's armor, Thor's hammer, and only one of two foreigners entrusted with the Black Panther's technology. No wonder everyone loves Captain America so much!

Wolverine can literally sense when someone's lying. He can also super easily identify shape-shifters.

Captain America's shield can only be damaged on a molecular level because it's made of an adamantium/vibranium alloy.

For everyone heartbroken when Gwen Stacy died in The Amazing Spider-Man 2, prepare for more heartbreak.

The Incredible Hulk was not originally the green giant we've come to know and love. He started out grey, but due to ink problems in printing, we have our green guy.

Venom was originally written as a female character. Writer David Michelle was forced by his editor to alter the character's gender because "readers wouldn't see the woman as a physical threat" to Spidey. Rude.

Robert Downey Jr. gave a seven-year-old boy born with a partially developed arm a prosthetic modeled after his character's super-powered gauntlets.