As a person of a mixed race (I am a Eurasian from Singapore), I decided to create this topic about characters of mixed race. Also there has been a diversity of Marvel characters of mixed race in the Marvel Universe too. Fictional races are also okay in this topic.
I have seen some characters who are of mixed ancestry/race in Marvel Universe such as...
Daken (Akihiro) = Caucasian father (Logan is Canadian) and a Japanese mother so he's considered as a Eurasian (a person of mixed Caucasian and Asian parentage).
Sun Girl (Selah Burke) of New Warriors = Caucasian father (Lightmaster) and presumably African American mother
Miles Morales = half-African American, half-Puerto Rican (African-American father, Puerto-Rican mother)
Nova (Sam Alexander) = half-Caucasian, half-Hispanic (Caucasian father, Hispanic mother)
Shinobi Shaw = half-Caucasian, half-Asian (son of Sebastian Shaw and an unknown Asian woman)
Silhouette Chord = half-African American, half-Cambodian (daughter of Andrew Chord and a Cambodian lady)
As for characters of mixed fictional races or half-human hybrids ...
Hulkling (Teddy Altman) = half-Kree, half-Skrull
Namor = half-Atlantean, half-human (Caucasian father)
Star-Lord (Peter Quill) = half-Spartoi, half-human (Caucasian mother)
Phobos = Demigod (half-God, half-human)