This unexpected gem was their first hitand boy, was it successful.

Then, the movie actually came out and lived up to everything everyone hoped it would be.

That perception changed whenTim BurtonandMichael Keatonburst into the scene at the end of the ’80s withBatman.

Superman with his arm crossed in the poster

Image via Warner Bros.

Having made nearly a billion dollars,Spider-Manwas by far the highest-grossing superhero movie ever at the time.

At that point, it was next to impossible for the money people to ignore this new cinematic phenomenon.

Avengers: Endgameset a new precedent for how superhero cinema had to handle its crossover events in the future.

Blade surrounding by red covered vampires

Image via New Line Cinema

It was a small, purely fun genre that didn’t demand any particular kind of serious attention.

Things would never be the same again afterRichard DonnerandChristopher ReevemadeSuperman.

It’s not often thata film truly makes people believe that a man can fly.

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Today, it’s still held asthe golden standard that all superhero dramas should aspire to.

Logically,Iron Manis perhapsthe most essential Marvel Cinematic Universe movie.

It’s a well-written, incredibly entertaining movie with a legendaryRobert Downey Jr.performance in the lead.

Wolverine (Hugh Jackman) holds up his fist as three long, sharp claws extend from it in ‘X-Men’ (2000).

Image via 20th Century Studios

Is it the best superhero movie ever, or even the best MCU entry?

NEXT:Essential Superhero Movies Everyone Should See At Least Once

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Batman next to the Batmobile looking up in Batman

Image via Warner Bros. Pictures

Batman 1989 Poster

Spider-Man atop a building with New York City in the background

Image via Sony Pictures Releasing

Spider-Man 2002 Poster

Thor, Captain America, and Iron Man look solemn as lightning crackles around them in ‘Avengers: Endgame’.

Image via Marvel Studios

Iron Man (Robert Downey Jr.), Hulk (mark Ruffalo), Captain America (Chris Evans), Hawkeye (Jeremy Renner), Thor (Chris Hemsworth) and Black Widow (Scarlett Johansson), stand heroically in the wreckage of Stark Tower, staring down at the camera in The Avengers.

Image via Marvel Studios

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Christopher Reeve as Superman joining a broken train rail

Image via Warner Bros. Pictures

Superman 1978 Poster

The joker wearing a clown mask in The Dark Knight

Image via Warner Bros. Pictures

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Iron Man without his helmet in ‘Iron Man’

Image via Marvel Studios

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Iron Man

The Dark Knight