There is currently a five part story with Malekith in THOR GOD OF THUNDER. It is written by Jason Aaron. The cover to the first part (#13) is shown above and is by the same artist who does the interior art, Ron Garney.
The cover to the final chapter of the Malekith storyline is by Esad Ribic. THOR GOD OF THUNDER #17 ships the second week of 2014.