User blog comment:LesStudios/Kaiju Fantasy Battles/@comment-6580055-20140729034811/@comment-24412505-20140729134015

Which Godzilla 2000 are you referring to? Godzilla 2000: Millennium is not in the same continuity as Godzilla vs. Megaguirus, so it has to be either the Black Hole (More likely a Dimensional Portal), or the Regeneration.