At his best moments, Batman can probably lift Mjolnir, but on his darkest nights he probably couldn't move it an inch.

Would Batman be able to wield Mjolnir?

Based on all of this, Batman would almost definitely be capable of lifting Thor's hammer and gaining the powers of a Thunder God. The circumstances that would lead him to wield Mjolnir would likely be extreme as he normally prefers to use his own gadgets and skills – but he could do it.

Why can't Batman lift Thor's hammer?

While Batman does have some of the characteristics you think would allow him to lift Mjolnir, he also has committed a number of acts that disqualify him. ... Batman's dubious, manipulative relationships with many of his fellow heroes are the least of the issues that would keep him from wielding the hammer.