I think once Mara and Aribo start getting some regular playing minutes they will soon find their feet and hopefully start scoring goals. Aribo looks brilliant from what I've seen of him so far and I don't see why he can't chip in with 8-10 goals this season.
They are starting to remind me of Fulham a few season ago after promotion when they spent spent spent and couldn't get going and went straight back down.
They lost 4-0 in Minnesota and 2-0 in Baltimore to Arsenal. I don't remember them playing Charlotte, you must be thinking of the Minnesota Utd game, who are coached by Everton former player and our nemesis Adrian Heath.
Miggy was one of the best players in MLS while at Atlanta United and helped us win the 2018 MLS Cup and his move to Newcastle. It's a massive gap between the 2 leagues as his inconsistent performances for Newcastle have shown.