[user104658]

Originally Posted by Brother Leon

It’s befause he’s worthy.

Now, you can say he always was worthy, but he just didn’t want to steal Thor’s thunder like a true leader so he acted like he wasn’t, or you can say he became worthy after he admitted to Tony about Bucky killing his parents etc.

How do you know, though? No one else has attempted to lift Mjolnir since the death of Odin and destruction of Asgard.