Here's a portrait of Batman by Jim Lee as part of a Darkness and Light exhibition held at DC's new Burbank offices, featuring work by DC creators and others based on DC characters. The exhibition will travel to promote their We Can Be Heroes charitable program, including the The Michael J. Wolf Gallery during San Diego Comic Con.

This is a piece from Dustin Nguyen;

This is a piece by an unknown artist

And by Nathan Mochizuki.