Furthermore, Manchester United will be facing City and Nottingham Forest, as you said, and this is going to be a difficult one for them, seriously, because Manchester City are doing better than Manchester United currently.
Manchester derby will always be different. Although Man City is currently better, this match will be at United's home ground. Even their last meeting United won.
The current situation may be different, because we know Man City is also better than the last meeting between the two. It will still be a tough match, but Amorim may not let them lose this time. If they can't win, maybe a draw is not bad for United.
In Manchester derby games the winner is usually uncertain because even when Manchester United was in a very poor state they have managed to beat Manchester City like wise last season when Manchester City was very good yet Manchester United defeated them in the FA cup to win the trophy. Manchester City may look better than Manchester United but they are going through a lot right now which makes them uncertain to win matches, Manchester United playing against them will be different because Manchester United plays better against stronger opponent and Manchester City is not as strong like before so the winner of the derby will be decided by the team that is able to take advantage of their chances Manchester City is not guaranteed as the potential winner now.