It’s time to begin our Thor – Week of Geek, leading up to Marvel’s highly anticipated film Thor, out in theaters this Friday.

To kick off the event, you can get to reading some discounted digital comic books from the Thor universe over at ComiXology, which is running a sale today on Loki issues #1-4 by and Balder the Brave issues #1-4 for only 99 cents each.

Note, the sale is only for today, Monday, May 2, 2011 and ends at 11pm EST in North America.

You can download the digital versions for the iPad or iPhone of issues of these two Thor-related Marvel comic book series for only $.99 each at the ComiXology App.

Loki
Written by: Rob Rodi | Cover & art by: Esad Ribic
View Asgardian lore from new eyes as Loki rewrites the history of the golden city and its denizens!

Balder The Brave
Cover by: Walter Simonson | Written by: Walter Simonson | Art by: Sal Buscema
While away from Asgard, Balder’s lord and master, the mighty Odin, perished. But for the gods, death is not the end… He’ll have to join Thor for a journey in the underworld realm of Hel!