The X Factor contestants raising money for Help For Heroes
The 16 acts – including Cher Lloyd – will release the track on 7 November.
All money raised will go to Help For Heroes to help pay for recovery centres for wounded soldiers.
In 2008, The X Factor finalists covered Mariah Carey‘s Hero for the charity.
It raised £1.3million for a rehabilitation complex in Headley Court.
David, 63, first released Heroes in 1977, when it reach No 24 in the charts.