Funny that Captain Marvel seems to lack charisma. Even when the writers and directors really want to audience to like Captain Marvel. There's a scene in Avengers: Endgame that perfectly illustrates this. My recollection of the dialogue may not be 100% accurate so don't sue me
Endorsement by Iron Man
Tony: "what are we, the A-vengers, right!? Do our best work after the fact? Not the Pre-vengers!? "
(Points to Captain Marvel) "
You are great by the way, we need you, you're new blood..."
(Back to Cap): "Bunch of tired old mules, I've got nothing for you..."
Endorsement by Captain America
Captain Marvel: (in her usual arrogant way) "I'm going to kill Thanos"
Rhodes: "Look, new girl, we're all about that superhero life, but if you don't mind me asking, where the hell have you been all this time!?"
Captain Marvel: "There are a lot of planets out there, and unfortunately they didn't have you guys."
(
Captain America looks at Rhodes with a "she's right, and she's awesome" nod of approval)
Endorsement by Thor
(
Thor gets up from his chair and stares down Captain Marvel. He summons Stormbreaker in a way that's meant to be menacing/intimidating, only to be met with a mildly arrogant smirk from her)
Thor: "I like this one"
So just within a couple of minutes, you have the "big three" heroes of the MCU telling the audience "please please please like Captain Marvel, she's cool and awesome." What is meant to be a passing of the torch instead comes across as forced and awkward, in large part due to just how unlikeable the Captain Marvel character is.
To reiterate a great point made earlier in the thread: Most other heroes in the MCU can laugh at themselves, can fail, can be vulnerable or flawed. Captain Marvel is not only none of those things; she actually goes to the other extreme. She's infallible, flawless, self-serious, and in some cases even arrogant. Doesn't make for a likable superhero if you ask me.