In September 2007 Jackson would still be working with will.i.am, but this album never seems to end. However, in 2008, Jackson and Sony released Thriller 25 to mark the 25th anniversary of the Thriller original. The album contains unreleased songs "For All Time" (an outtake from sessions of origin) and the remix, where Jackson worked with young artists who were inspired by his work. Two remixes released as singles with mixed success: "The Girl Is Mine 2008" (with will.i.am) and "Want to Be Startin 'Somethin' 2008" (withAkon). The first single is based on the demo version start without Paul McCartney. This album itself is a success, however. To anticipate the 50th anniversary of Jackson, Sony BMG has released a series of hits album titled King of Pop. Slightly different from the version that was published in various countries, according to surveys of local amateurs. King of Pop to reach the top 10 in most countries where it is issued, and are both sold as imports in other countries (such as the United States .)
In the fall of 2008, Fortress Investment threatened to confiscate his Neverland Ranch, Jackson is used as collateral for loans to tens of millions of dollars. However, Fort Jackson choose to sell the debt to Colony Capital LLC. In November, Jackson's Neverland Ranch is transferred title Sycamore Valley Ranch Company LLC, a joint venture between Jackson and Colony Capital LLC. This agreement paved the debt of Jackson, and he would even get an additional $ 35 million project. At the time of his death, Jackson still has an interest in Neverland Valley / Sycamore, but it ignores the size of the area. In September 2008, Jackson negotiated with Julien's Auction House for display and auction a large collection of memorabilia for about 1,390 lots. The auction is scheduled to take place between April 22 and April 25. An exhibition opening many as planned on April 14, but the actual auction finally canceled at the request of Jackson.
In March 2009, Jackson held a press conference at the O2 Arena in London and announced a series of concerts titled This Is It Back. Show will be the first series of concerts by Michael Jackson since the arrival of major History World Tour in 1997. Jackson suggested that retirement may be after the show, said he would be his "last call". The initial plan of 10 concerts in London, followed by shows in Paris, New York and Mumbai. Randy Phillips, president and CEO of AEG Live, said that during the first 10 singers will receive approximately £ 50,000,000. London institutions rose to 50 after the date of ticket sales record with more than a million were sold in less than two hours. Jackson practiced in Los Angeles in the weeks leading tour under the direction of choreographer Kenny Ortega. Most of these exercises are held at the Staples Center, which is owned by AEG. The concert will begin July 13, 2009, and completed on March 6, 2010. Less than three weeks before the first performance in London and will start with all the concerts are sold out, Jackson died after suffering a heart attack.
Jackson's first posthumous single was a song called "This Is It," which Jackson co-wrote with Paul Anka in 1980. Not on the list for the concert, and recording is based on an old demo tape. The brothers still live together back in the studio for the first time since 1989 to record backing vocals. On October 28, 2009, a documentary about the performance of Michael Jackson's "This Is It was released. Although the race for a limited engagement of two weeks, it became the biggest documentary extrapolation or a concert film of all time, with revenues of over $ 260 millionworldwide. Real Jackson received 90% of profits. The film is accompanied by acompilation album of the same name. Two versions of the new songs featured on the album, which also displays the original master hits Jackson in the order in which they appear in the movie, with a bonus disc with the new version of hits by Michael Jackson and a wider word poem entitled "Planet Earth". In 2009 American Music Awards, Jackson won four awards posthumously, two for himself and two for his album Number Ones, bringing the total American Music Awards total to 26.