Mark your calendars, box office nerds: Saturday, April 7 is the day。 Black Panther。became the third-biggest movie in U.S. box office history. 。

It's not exactly a surprise. Marvel's latest toppled。 Jurassic World
。earlier in the week to claim the #4 position on the all-time domestic box office charts. That left it roughly $7 million behind the third-place record holder, James Cameron's。 Titanic。Titanic。

SEE ALSO:These are the top highest grossing Marvel movies of all time 。 We predicted at the time that
。 Black Panther
。 would ascend to #3 in the coming days, and now, here we are. With an estimated $659.2 million in domestic ticket sales after Friday night, the movie would have to spontaneously disappear from all theaters everywhere to finish Saturday without beating。Titanic 。

Titanic。 's $659.4 million.。This is probably the end of the road for。 Black Panther。's domestic box office records. 。 Avatar。 sits in second-place right now with $760.5 million, and there's nothing about the current pace of ticket sales to suggest that 。

By signing up you agree to our Terms of Use and Privacy Policy.。 By signing up you agree to our Terms of Use and Privacy Policy.。Thanks for signing up!。 This is especially true with。Avengers: Infinity War 。 just 20 days away from hitting theaters.。Avengers 。

movies have typically been huge at the box office, and。 Infinity War
。 attempts to rope together events that spread across every previous Marvel Cinematic Universe release to date.。 Current, early tracking predicts the next。Avengers。 will open somewhere between $175 million and $200 million. That estimate is actually less than 。Black Panther
。 's $202 million opening weekend -- fifth-place on the all-time charts -- but it's likely to rise as the April 27 release gets closer. A new。Avengers
。

also means that。 Black Panther。's newly set domestic record may not last for long.。

None of that matters, though. Box office records fluctuate frequently, as big franchises return each year and inch toward higher earnings in part because of inflation. In many ways, the most impressive detail here is。 Titanic。Titanic 。

's longevity. It's been more than two decades since it hit theaters, and it's still the fourth-highest earner in U.S. box office history. 。 It's the same with。Black Panther 。