What are the release dates for The League of S-T-E-A-M- - 2010 Fool's Gold 1-5?

What are the release dates for The League of S-T-E-A-M- - 2010 Fool's Gold 1-5?
The League of S-T-E-A-M- - 2010 Fool's Gold 1-5 was released on:

USA: 1 May 2010