Namco Bandai revealed playable characters like Zero and Gemini Sunrise in Project X Zone. We also know about rival characters like Seth from Street Fighter. There are even more crossover characters, but you’ll only see Iris during event scenes.
Iris is from Mega Man X4 and acts as Zero’s navigator. Aura is a major character from the .hack series.
Project X Zone comes out on October 11 for Nintendo 3DS.