DC is ending Hellblazer under its Vertigo imprint and launching Constantine as part of the DC New 52 in Q1 2013.  The last issue of Hellblazer will be #300 in February, written by Peter Milligan with art by Giuseppe Camuncoli and Stefano Landini.  Then in March, DC will launch Constantine #1, written by Robert Venditti with art by Renato Guedes.