Bethesda Softworks released this teaser picture onn Twitter:
...the picture is made of three larger picures:
...there are many rumors that the third picture shows HAL 9000 from "2001: A Space Odysee" (movie by Stanley Kubricks in 1961 here more at IMDb).
HAL 9000:
...I for myself don`t believe its HAL or an AI who looks like him - for me the third picture looks like some kind of laser whatever weapon:
