Toxic masculinity ... Thor had waaaayyy too much of it and had to be cut down to size, or in this case fattened up into a whiny crybaby who won't man up for the mission even though it is completely contrary to his character traits in every other movie.
Stark even had to go there for awhile before he got back into the game when confronted with a potential solution.
Captain America? Yeah, nice job being a grief counselor.
Hulk? A kinder, gentler green monster??? Yeah, whatever.
Don't get me wrong, the movie was entertaining, but the story-line could have been more focused on epic battles with much more involvement of Dr. Strange and original Hulk and Thor.
Don't hate ... just one guy's opinion.