There are few jobs in the world that are more enjoyable than coming up with acronyms or codewords. Apparently Disney ships all their movie posters under codewords. Example: the next Captain America movie was shipped under "Rochelle Rochelle" which is a Seinfeld reference. Julia Louis Dreyfus was in Seinfeld and is a part of the MCU, likely a big part of the next movie. Someone, somewhere, has a lot of fun coming up with this stuff.