>but I will accept her getting knocked out and turning out to be a brunette).

According to the comics, she's a natural brunette. What we see is the product of some very expensive plastic surgery.

Also, I know they were going for "icy", but it just comes of as underacting, like Anthony Hopkins through most of Thor.

>t a movie as fanservice-y as First Class and no Psylocke? Purple-haired Asian woman with a British accent

But they had Deathstrike! An icy Asian woman who had all of two lines and fought Wolvie sexily! They've already met their Asian quota!

/sarcasm