Yes, I am worried about that as well. I desperately want Maxwell to do The Last Full Measure, if for no other reason than to see the Appamatox Courthouse surrender, which remains one of the most heartbreaking and yet exhilirating scenes in American history.
But, like you, I worry that this won't come close to recouping it's $80 million price tag. The reviews from the mainstream (read: the left) have been absolutely vicious. Too many may stay away for that reason alone, and the 4-hour time investment.