This costume gallery is being built up alongside the reading list.

First seen in X-Men #4 (1964)
Image from Strange Tales #128 (1965)
The costume slowly morphed into this version.
Image from Avengers#22 (1965)
First seen in Avengers #75 (1970)
Image from Avengers#77 (1970)
First seen in Mighty Avengers #22 (2009)
Image from Mighty Avengers #22 (2009)