But as long as the films delivered are as satisfying as Guardians of the Galaxy Vol. 2, any tweaks can be forgiven.
I really don’t know why you would take a character who is as distinctive as Mantis is and do a completely different character and still call her Mantis.
And all told, Marvel has remained fairly true to their character’s core traits when tweaking them.
Ever since Marvel first kicked off their shared universe, they’ve made a number of key changes to characters and stories from the comics.