In my opinion Brazil will win.
I don t think Germany can do it again because their coach is doing a big mistake by keeping Neuer as #1 Goalkeeper.
If you plan to place a Sportbet at the winner of the world cup you should have a look at my Post about this topic, it could save you some money ;)
https://steemit.com/sport/@elbiasto/why-you-shouldn-t-bet-on-the-winner-of-the-soccer-worldcup-2018