First Appearance: Amazing Spider-Man #265 (June 1985).
Appearances: Numerous others.
Years Active: Early/mid 1960s to the present.
The Wild Pack were a group of agents from the Balkan kingdom of Symkaria. The king of Symkaria formed the Wild Pack to hunt down German war criminals and appointed Ernst Sablinovia, the father of the current heroine Silver Sable, to be their head.
The Wild Pack was brought together in the early/mid-1960s and neutralised nearly every major Nazi organisation with the exception of HYDRA. The Wild Pack were originally not superpowered, being mere humans, but after Ernst Sablinovia was killed they were made into a mercenary group, as a way to supplement Symkaria's economy. They began accepting superpowered members shortly after Amazing Spider-Man #281.