If the current runtime of Avengers 4 stands, it will be the longest Marvel Cinematic Universe movie yet at 3 hours long.

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The MCU: Where Are All the Major Players Right Now? 42 IMAGES

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As reported by THR, via an Instagram chat to promote his new Los Angeles bar, Duello, Avengers 4 co-director Joe Russo stated that "the running time on Avengers 4 is currently sitting right at three hours. We'll see if that holds."A follow-up question was then asked about where the currently untitled Avengers 4 was in terms of post-production, in which Russo said "we're about halfway through the editing process.""We’re really just scratching the surface on our VFX shots. There are more than 3,000 VFX shots in the movie; those require a lot of time and thought and energy and effort, and we’re very early in the phase of getting VFX done. We’ve just started work with Alan Silvestri on the score, and we’re still editing picture at this point.” Russo explained.With that much editing left on the table, that run-time will most likely change a bit, but it appears the long-awaited conclusion to the events that began in Avengers: Infinity War will be a lengthy one.Infinity War, which was released earlier this year, was the previous holder of the longest MCU film at 2 hours and 29 minutes.Even though he revealed the current runtime, he was still tight lipped about the title of Avengers 4 and even played with the fans and faked technical errors that held him back from revealing what the film will be ultimately be called.However, he did promise that the stakes in Avengers 4 would be even higher than they were in Infinity War."The highest of any of the films to date, without question." Russo assured.Marvel's Avengers 4 will be released in theaters on May 3, 2019 and Marvel Studios boss Kevin Feige has said that we will be seeing the first trailer before the end of the year. In addition, 13 Reasons Why star Katherine Langford was recently confirmed to be added to the cast and we've also presented a theory as to how certain events that occurred in Infinity War may be reversed.

Adam Bankhurst is a news writer for IGN and wouldn't mind if the movie was 10 hours long. You can follow him on Twitter @AdamBankhurst.