Doors

[Written in letters that look nearly scorched onto the page.]

A lindworm?

[The rest is clearly not any language still spoken on Earth. Asgardians would recognize the reference to Loki and madness.]

[Locked to Avengers+]

Who is here?

[Callum's handwriting is small and crowded, letters varying between upper and lower case in no predictable pattern]

Vegas, huh.

Seems better in the brochures.