I am a huge Mikasa stan and i'll say there were so many things that can be explored beyond "Erehhhh" because of the last season or that table converstion, she is reduced into simp, initially she was just a overprotective fgure to Eren and Armin and i believe in the end, she would get her arc but that didnt happen. She is one of the strongest person in squads yet they wasted her character for turning into Eren simp which really makes me feel bad that how much her character was wasted, instead of exploring her strengths. Eremika  shouldnt be canon for numerous reason i can think off. I loved her character in s1 and her motto " this world is crruel yet beautiful", she repeatedly she'll protect the little family she had, so she will protect her people no matter what that is Eren and Armin that also explains why she is protective over Eren, when she learned Eren is no more, she still kept fighting for her life. She was not initially some sort of hollow simp, she felt need of protecting Eren because he is the last connection to his family

They can explore Mikasa/Levi bond, Mikasa is more agressive in protecting people she cares about while Levi calming her down and saying he has no one too in his life. They can have talk like that. 

Mikasa can be best woman of the show, since she is already likeable and popular, there's no need to make her some sort of simp towards Eren because irl a girl like Mikasa wont even keep up with Eren's bs. Her character can be written so much better

Even in live action movie, she is paired with Levi's replacement and he kissed her without her consent and physically abuses her

I really wonder does Isayama has no respect for Mikasa's characterization since every other female had fruitful arc maybe except Historia