Glam Shots Pop! Marvel PX Previews Exclusives Upcoming Releases Marvel Iron Fist pop! 21st September 201621st September 2016 Melliexbee Share this: Next Marvel series on Netflix, Iron Fist. PX previews have released a glam shot for the first Iron Fist pop! Expected release on Free Comic book day 2017. Who else is excited for a new Marvel character!?