It is named after Irene Adler, a fictional character in the Sherlock Holmes story "A Scandal in Bohemia".
Irène Joliot-Curie | Irene Worth | Irène Jacob | Adler | Lou Adler | Irene Handl | Irene Dunne | Irene Cara | Irene | Alfred Adler | Larry Adler | David Adler | Princess Irene of Greece and Denmark | Irene Ryan | Hurricane Irene | Stella Adler | Irene Tedrow | Irene Shubik | Irene Papas | Irene Dalis | Irene Abendroth | Cyrus Adler | Vernon and Irene Castle | Stella Adler Studio of Acting | Margot Adler | Julius Adler | Jacob Pavlovich Adler | Irene of Montferrat | Irene Mathyssen | Irene Lewisohn |
He uses the virus to resurrect a variety of mutants, including Cypher, Banshee, the original Hellions, Risque, Pyro, and Destiny.