Translation guide
Comic Market (Comiket) is a large doujinshi (self-published works) convention held in Tokyo. It is a proper noun referring to the event itself.
Referring to the Comic Market convention
In most casual contexts, コミケ is the natural choice. Use コミックマーケット in formal writing or when introducing the event to someone unfamiliar with it.
The full official name, used in formal contexts or when clarity is needed.
Comic Market is held twice a year.
The common abbreviation, used in casual conversation and among fans.
When is the next Comiket?
An older abbreviation, still occasionally used.
I bought the Comiket catalog.