The second part, if its a movie, couldn't Django just recruit runaway slaves and freeman to invade the plantation. Remember this is the creative control that directors should have. But it is not happening like that in Hollywood.
No. Again, once a bunch of black men get spotted without chains or white escorts in 1860's Mississippi, they're getting arrested, simple and plain. Logic or reality, call it whatever you want. It wouldn't be compelling.
And nobody's gonna shelve out a budget for a Nat Turner killing white babies movie, so you can shut that shyt down right now.