Marvel Studios, Feige No Longer Under Perlmutter's Purview
Comic Books, Film
“Drink the Blood of the Dragon / Speak the Language of Birds” depicts Sigurd and Fafnir from the Völsunga Saga. After Sigurd had slain Fafnir with the sword Gram, Odin came to him disguised as an old man and instructed him to bathe in the blood of the dragon, and eat it’s heart to grant him invulnerability and the ability to communicate with birds.
The print costs $30, and purchasing info can be found at the first link above.