Hawkman No. 23 has been raising eyebrows and getting some headlines like the following:
Comic Book Resources: DC Introduces a Very, VERY Different Hawkman in April
Comicon: Fighting Off The Plague In ‘Hawkman’ #23 Seems Rather Prescient
Preview of the first five pages on Graphic Policy!
The issue is about a former life of Hawkman during the 17th century. He was a character called the Plague Doctor and he lived in Europe during the Black Plague. Here is the explanation of the issue from DC Comics' April solicitations.