Comet was another short-lived magazine (five issues in 1940 and 1941) that, unlike A. Merritt’s did not tend to attract top-of-the-line talent. Nonetheless this March 1941 cover by Leo Morey hints at the tube girl meme, and interior art by the very obscure Michael Mirando hints at…tentacles?
This issue is available to read and download at the Internet Archive.