What is the longest movie ever made? Avatar 2, Marvel, Harry

What’s the longest movie of all time? Avatar 2 made a splash with a huge runtime - but what’s the longest movie ever made? 

Avatar: The Way of Water's Runtime is More Than 3 Hours Long

Avatar 2' Shows No Mercy as It Prepares to Take Down Marvel's

Top 50 highest-grossing movies of all time - Dexerto

Avatar 2 Passes Avengers Infinity War as Fifth Highest Grossing Film

Avatar 2' Becomes Fourth-Highest Grossing Movie Ever

Avatar 2 - Dexerto

5 of the longest movies ever – but are they worth watching? From

5 of the longest movies ever – but are they worth watching? From

15 Movies That Took The Longest Time To Make - FandomWire

Fantastic Indeed: A History of HARRY POTTER and FANTASTIC BEASTS