How many have to exist before it can be considered "progressivism"/"diversity" then? Also can you provide those examples that occurred post-Disney? As a huge marvel fan it should be easy for you do. As someone who isn't a huge marvel fan I can think of several off the top of my head that occurred pre-Disney.
Miles Morales (Spider-Man), original character: Peter Parker/Spider-Man, first appearance: 2011
Jane Foster (Thor), original character: Thor Odinson, first appearance: 2014
Riri Williams (Ironheart), original character: Tony Stark/Iron Man, first appearance: 2016
Laura Kinney (X-23), original character: Logan/Wolverine, first appearance: 2004
Sam Wilson (Captain America), original character: Steve Rogers/Captain America, first appearance: 2014
Carol Danvers (Captain Marvel), original character: Mar-Vell/Captain Marvel, first appearance: 2012
Monica Rambeau (Captain Marvel), original character: Mar-Vell/Captain Marvel, first appearance: 1982
America Chavez (Miss America), original character: Joey Chapman/Miss America, first appearance: 2011
Kamala Khan (Ms. Marvel), original character: Carol Danvers/Ms. Marvel, first appearance: 2013
Kate Bishop (Hawkeye), original character: Clint Barton/Hawkeye, first appearance: 2005
Gwen Stacy (Spider-Woman, aka Spider-Gwen), original character: Peter Parker/Spider-Man, first appearance: 2014> Jane Foster (Thor), original character: Thor Odinson, first appearance: 2014
> Riri Williams (Ironheart), original character: Tony Stark/Iron Man, first appearance: 2016
> Laura Kinney (X-23), original character: Logan/Wolverine, first appearance: 2004
> Sam Wilson (Captain America), original character: Steve Rogers/Captain America, first appearance: 2014
> Carol Danvers (Captain Marvel), original character: Mar-Vell/Captain Marvel, first appearance: 2012
> Monica Rambeau (Captain Marvel), original character: Mar-Vell/Captain Marvel, first appearance: 1982
> America Chavez (Miss America), original character: Joey Chapman/Miss America, first appearance: 2011
> Kamala Khan (Ms. Marvel), original character: Carol Danvers/Ms. Marvel, first appearance: 2013
> Kate Bishop (Hawkeye), original character: Clint Barton/Hawkeye, first appearance: 2005
> Gwen Stacy (Spider-Woman, aka Spider-Gwen), original character: Peter Parker/Spider-Man, first appearance: 2014
Disney purchased Marvel in 2009(let's be honest 2010 is closer to the real year), only 7 of the 10 you listed occurred under Disney's watch. Big marvel fan indeed. Since you listed 7 times a race and/or a gender was swapped (I won't bother differentiating between swaps vs additions, e.g calling Ghost Spider a swap is a massive stretch.) under Disney as proof of "pushing progressive ideologies" I must assumed that is your threshold for something to be considered a trend. Here are 4 (plus the 3 your listed) times a race and/or a gender swap occurred under the previous Marvel owner's watch.
Michael Clarke Duncan as King Pin
Nick Fury (Ultimate Marvel Team-Up)
Lady Bullseye
Miss Sinister
Its almost as if Marvel did this sort of thing before Disney was involved, interesting.
It seems Iron Man the movie with Robert Downey Jr (2008) really saved them,and restored them back to cultural relevance beyond the X-men + Spiderman.
Though the overall trend for marvel comics are tanking especially compared to Manga/Manwha.