[1] It's like that but it's something Loki put on his face to encompass all he sees. [2] He doesn't seem to be in pain. Just unconscious. [3] All we know is that it's a Stark thing, and a [...] beta test. [4] Which is not an accusation against Tony Stark. [5] It may have been sabotaged. [6] I'm not sure but there may be more than one person affected.