A few teasing details of the unnamed 24th official Bond adventure were announced in a picture posted on Agent 007's official Twitter feed, emblazoned with the words "BOND 24" in large letters.
"Daniel Craig is 007, Sam Mendes back as director," the tweet said, adding that the film would be released in Britain on October 23, 2015, and in the United States two weeks later.
Mendes, 47, directed "Skyfall", which became Britain's highest-grossing film ever and took more than USD 1 billion at box offices worldwide when it was released in 2012.
The Oscar-winning British director said in March that he had turned down the chance to direct the next Bond film in order to concentrate on his theatre work, but confirmed today that he had changed his mind.
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"I am very pleased that by giving me the time I need to honour all my theatre commitments, the producers have made it possible for me to direct Bond 24," he said in a statement published on the official Bond website.
Mendes, who won an Oscar in 2000 for directing "American Beauty", is currently working on a new musical theatre version of "Charlie and the Chocolate Factory" that opened in London last month.
He will direct a production of William Shakespeare's "King Lear" at the National Theatre in London from January 2014.