Well, that didn't take long. After some keen-eyed Avengers fans spotted an interesting edit in the UK version of the film, Marvel has now chimed in to explain exactly what happened—and squash all our conspiracy theories in the process. Spoilers for The Avengers ahead!
He may be open to the fact that aliens exist, but don't think that means the UK's royal astronomer Lord Martin Rees believes in UFO sightings. In fact, the queen's official stargazer is "utterly unconvinced" that aliens have never visited Earth.