Board Thread:Administrative/@comment-4651179-20130927000827/@comment-25342481-20140824071450

Hey can you please explain to me what the difference is between the published date and the release date? Because for Miles Morales: Ulitmate SPidermand vol.1 #4 it says published:October 2014 and released: August 6 2014. Can I already buy this issue or do I have to wait until it is October? :)