Iceberg A-76 And The Glacieans
Somewhere in Antarctica,
With the appearance of Gates in the past, the superheroes in Antarctica were actually pulled out, and once again, it had become an abandoned continent. Of course, this was only temporary since the other countries already had future prospects on what to put down there, but that would come at a much later date.
However, although Antarctica was supposed to be abandoned, that wasn't really the case. Unbeknownst to all the governments and countries in the world who were fighting over territory in the iceberg continent, there was actually a group of people who were inhabiting it, and they've been doing so for hundreds of years.
If the North Pole had Eskimos, the South Pole had these people.
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Iceberg A-76