"Avengers: Age of Ultron" star Chris Hemsworth will make his "Saturday Night Live" hosting debut on March 7.

The 31-year-old actor has a full raft of projects to promote, including the Marvel Studios sequel (opening May 1), the adventure comedy "Vacation" (Oct. 9) and the Ron Howard period thriller "In the Heart of the Sea" (Dec. 11).

The same episode will also mark the "SNL" debut of three-time Grammy winners Zac Brown Band.