However, I can tell you that comic book prices in 2011 were generally in the range of $2.99 to $3.99 for new releases. This varied based on the publisher, the popularity of the comic, and the length of the comic.
To get a more precise idea of comic book prices from that specific time, you could try searching online for:
* "Comic book prices 2011"
* "Comic shop price lists 2011"
You might find old price lists or articles discussing the comic book market from that period.