Barracuda next appears in Sub-Mariner (Marvel, 1968 series) #10 (February 1969).
The phrase, "The house is alive" is reportedly one of the things Roger Corman said in order to convince his bosses at AIP to allow him to film Poe's "The Fall of the House of Usher"(1961). The origin of the house is strikingly similar to the one in "The Outer Limits" episode, "The Guests".
Continues in next issue.