Which team scores first? Atlanta. The Falcons will come out with their first 15 or so plays scripted and well practiced. If they get the ball first I can easily see them marching down the field.
What will the first score be: Touchdown. See above.
Who will lead at halftime, or will it be tied? Atlanta
Which team will score last? New England. They'll be behind on the scoreboard and throwing the ball.
Over/Under 59 point combined? Under. I don't think this game will turn into the shootout that everyone is expecting. Atlanta has the superior running game and I think they'll use it to control the clock and keep Brady off the field.
Who will win given New England -3, or do you think NE will win by 3 points? Atlanta +3