Don't forget that the deadline is December of 2021 for the 2nd Fighter's Pass so wanting until August or September doesn't seem too far fetched when we waited 4 to 5 months from Joker to Hero and from Terry to Byleth.
I wanted to comment on this. The difference between Joker to Hero and Terry to Byleth don't have the same momentum here as Min Min to Fighter #7.
To clarify: We knew about Joker in December 2018 and got him in April 2019, then waited two months and got both Hero and Banjo announced. The same goes for Terry; we had Terry released in November 2019 and Byleth released in January 2020, a two, almost three, month gap. Yes, Hero released almost four months after Joker was released and Terry was announced almost four months before Byleth was, but atleast we weren't in the dark for almost three-four months. The issue is that the lack of a fighter to look forward to bothers people, especially due to Byleth and Min Min "scarring" a bunch of people. Namely because we were in the dark for two months and then got an arguably lackluster pick like Byleth and then were thrown into the dark for 5 months without knowing who the next fighter was. Even the tease of the series didn't help because, while it narrowed it down, it didn't clarify anything of the specific character. My point is, I genuinely hope they don't wait to both release AND reveal the fighter in September, because if we look at current fighters:
Piranha Plant: (Announced 11/2018, Released 2/2019)
Joker (Announced 12/2018, Released 4/2019)
(Less than Two Month Gap)
Hero (Announced E3/2019, Released 7/2019)
Banjo (Announced E3/2019, Released 9/2019)
Terry (Announced 9/2019, Released 11/2019)
(Another Two Month Gap)
Byleth (Announced 1/2020, Released 1/2020)
(Five Months Later)
Min Min (Announced 6/2020, Released 6/2020)
(Now Back Into the Dark We Go)
See what I mean? The point that should be observed is that we almost always had a reveal to tide us over on what to expect next for most of the first pass, then a fighter would get released and one would get revealed to keep us on our toes. Heck, even Plant was sort of filler for Joker. Sure, Joker to Hero had a gap but we knew when they were probably going to drop something as E3 was a big obvious arrow. Terry to Byleth was also assumption based, but less predictable due to it being anytime before 2/2020, which is still pretty vague. Maybe I'm the only one who hates it but I really am not a fan of the whole "reveal fighter then release them one or two weeks later, then get left in the dark for months on end."
Like, just pull a Joker and give us a PROPER reveal, then let us simmer until August-September.