If you haven’t been reading the Immortal Iron Fist you don’t know the glory of Fat Cobra. He was introduced in the Seven Capital Cities of Heaven
as one of the other Immortal Weapons. Here’s some of his Glory:

Well, at Emerald City Comic Con, (which I just found out tonight what ECCC meant) they announced all of the Immortal Weapons would be getting one shots.
First one up will be Fat Cobra, Sweet!
You’ll want to pick this one up.
Time to start prepping my Fat Cobra Cosplay for New York Comic Con next year.
Bring me my victory wenches!
512-52-COMIC
These slipped passed me, all of a sudden there are 4 trades. I am behind, this must be rectified.