This unusual one is just in from Marc Malkin at E! Online [1]:

Madonna and Justin Timberlake are making a Smart move together. A source tells me the duo’s debut collaboration, “4 Minutes to Save the World,” will be featured in the upcoming movie adaptation of Get Smart.

Nothing official yet, but my source says movie executives are trying to persuade Madonna and Justin to shoot a music video specifically tailored for the movie. They’ve already shot a video for the single, which is scheduled for a March 29 release.

Click here for the full E! Online brief. [2]