It was solicited to come out every month, with a break in February.

About that…

Currently Dark Knight III: The Master Race #3, was meant to come out on the 20th January is now delayed until 24th February.

So Dark Knight III: The Master Race #4, meant to come out on the 16th March, is now delayed until 13th April.

The fill-in issue, The Dark Knight Returns: The Last Crusade, which was meant to be published in the February month gap between #3 and #4, slipped from 17th February to 30th April, now sitting between #4 and #5.

And Dark Knight III: The Master Race #5, meant to be published on the 20th April has moved to the 18th of May.