User blog comment:LoomisTeridax666/Teridax vs Godzilla '54/@comment-2149911-20130521200630/@comment-143604-20130521204247

You're mixing up your Godzilla continuities. Godzilla 1954 was killed, and his bones were used to create the MechaGodzilla "Kiryu". The Return of Godzilla is the first appearance of Godzilla (Heisei). Your other examples are of Godzilla (Showa).