The X-Men vs. Genoshan Magistrates in
"Welcome to Genosha"
A mutant baby is smuggled off the island of Genosha as a specialist team is sent to recover the baby and another escaped mutant that they tracked to Australia. But as they take back the escaped mutant they also capture Madelyne Pryor as the X-Men track the kidnappers down to a hospital near Sidney. During the fight, the kidnappers take Wolverine and Rogue back to Genosha along with the smuggled baby but they leave behind an entire squad of Genoshan Troops (referred to as Magistrates).
1st appearance of the island of Genosha