Avengers: Age of Ultron2015

[None of the Avengers can lift the Mj?lnir, but Captain America moves it slightly]

Tony Stark:
It's biometrics, right? Like a security code? "Whoever is carrying Thor's fingerprints" is, I think, the literal translation.

Thor:
Yes, well that's a very, very interesting theory. I have a simpler one: You are not worthy.

[an attack occurs]

Ultron:
[enters] Worthy? How could you be worthy? You're all killers. You want to protect the world, but you don't want it to change. There's only one path to peace... your extinction.