According to comicbook.com, Avengers 4 is still a ways away, but fans are already searching for tips about its secrets.
So far, Marvel Studios has kept a tight lid on the blockbuster, but its directors did just drop a much-wanted update.
Recently, Joe Russo took to Instagram for a live Q&A session where he was asked by a fan how long Avengers 4 will run.
"The running time on Avengers 4 is currently sitting right at three hours, so we'll see if that holds, but it's sitting right at three hours right now."