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While it does not use the term martial law it does say in Article 1 Section 8 & 9
Congress has the power "To provide for calling forth the Militia to execute the Laws of the Union, suppress Insurrections and repel Invasions;
In short it's your right to a day in court.
The most recent was The Freedom Riders in Alabama in 1961
en.wikipedia.org/wiki/Posse_Com…
Sorry to say, you don't. You do what the guy with an M-16 says.
He gives an order, they are all lawful and you follow it.
Resistance becomes much like the Resistance in Occupied France with the same consequences for resisting.