How much is Marvel Comics The Defenders Issue twelve worth?

For the most accurate estimate be sure to include the date, the full issue number including any letters behind the number, the condition, the publisher and the specific series or volume.

As of May 2008, The Defenders Volume 1 Issue 12 (not 12A), "The Titan Strikes Again" published by Marvel has a CGC value of $0.09 for poor condition up to $216.00 for gem mint.