and along those lines regarding the Tesseract/Cosmic Cube being sentient and female and possibly linked to the Beyonder, AM, check this out...
http://en.wikipedia.org/wiki/Kosmos_(Marvel_Comics)
http://marvel.wikia.com/Maker_(Earth-616)
http://www.marvunapp.com/Appendix/kosmoscube.htm
so Krige could mean that she's not recognizable because she's been CGI'd and not necessarily just makeup.