Avengers: Endgame writers say the three hour superhero epic is 'exactly as long ...

It's going to be an epic ending to one of the most beloved franchises of all time.

And Avengers: Endgame creators aren't worried about the film's three hour runtime scaring anyone off.

'It's exactly as long as it needs to be,' screenwriter Stephen McFeely said in an interview with Vulture out Wednesday.

'Any shorter and it would have felt like we weren't honoring all the threads and franchises that are feeding into this climax.'

Going the distance: Avengers: Endgame writers got real about the film's intense three-hour runtime during a chat with Vulture where they contended that it's actually a 'lean' cut

Going the distance: Avengers: Endgame writers got real about the film's intense three-hour runtime during a chat with Vulture where they contended that it's actually a 'lean' cut

McFeely went on to explain how after 22 whole movies, the three-hour runtime is actually a 'lean' interpretation of the Marvel Cinematic Universe.

'Twenty-two movies in, not only has the movie earned its length, but people deserve a movie of that substance,' he continued. 'I swear to God, it sounds like a paradox to say this, but it's a lean three hours!'

And McFeely's fellow writer Christopher Markus joked about anyone who hoped for a 'tight 85' minute romp.

'If we told you the entire universe got snapped out and we were gonna wrap it up in a tight 85, you’d have issues.'

Worth it! Writers Christopher Markus (left) and Stephen McFeely (right) said that after 'Twenty-two movies' in the Marvel Cinematic Universe the flick has 'earned its length'

Worth it! Writers Christopher Markus (left) and Stephen McFeely (right) said that after 'Twenty-two movies' in the Marvel Cinematic Universe the flick has 'earned its length'

Unfortunately, some fans are getting a head start in experience the action, even before the film's official release.

Just 10 days before the movie swings into theaters, the directors of the films Anthony and Joe Russo penned a note urging fans to not spoil the ending for others.

The letter comes after the ending of Avengers: Endgame was leaked featuring spoilers, according to the LA Times.

The newspaper reported that the leak appears to be footage filmed off a large screen inside a screening room - but the

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