The Superior Breach is a Breach that also functions as a Kaiju Breeding grounds that opened at the bottom of Lake Superior. However, it was quickly sealed.
The Superior Breach first opened 2030, when 2 female Kaiju codenamed Queen Bee, a Bee-like Kaiju and Rosebush, a Moth-like Kaiju swam out of it. They traveled to Thunder Bay, Ontario and gave birth to 5 to 12 young. The Canadian goverment then announced it would create 2 special Jaegers that would be designed to travel to the bottom of Lake Superior and destroy it.
- Thunder Bay Shatterdome: Wolverine Katana, Fire Dreamscape