Michael McKean discussed the upcoming "This Is Spinal Tap" sequel on "The Tonight Show starring Jimmy Fallon", where he teased potential cameos including Questlove, Paul McCartney and Elton John.

Suburban dad Hutch Mansell, a former lethal assassin, is pulled back into his violent past after thwarting a home invasion, setting off a chain of events that unravels secrets about his wife Becca ...