In Norse Mythology, Loki wields a sword Laevateinn as he rides to Asgard to kill Odin.
Here is how Laevateinn looks as it appears in the comic Thor by Stan Lee…
Here is how it appears in Tales of the Drui…
“In a series of fluid movements, Sigyn slid from the saddle, pulled the bundle from the side satchel, and turned to Loptr fastened beneath the snake. Throwing back the cloth, she revealed the silver sheen of Laevateinn’s Elding steel blade secured by a tang buried in a hilt of black onyx ordained with black pearls.”