Even though this game was released after Mega Man X4, the reason why Iris (the female Reploid from that game) shows up here is because chronologically, Mega Man Xtreme 2 takes place before Mega Man X4. Thus the reason too why she's still in "training" as well.

Contributed by Satoshi Kunsai (2085) on Mar 18, 2002. [revised by : Patrick Bregger (205280)]. -- edit trivia