Reunited once more

Prog: After the war and the defeat of the formal commander of The Maverick Hunters sigma, peace has returned between the reploids and the humans. The planet it's was completely resorted to the way it's was...

But when an unknown signal has caught the attention of The Maverick Hunters, they have sent some scientists along with X, Axl, and Zero to navigate the unknown signal in the underground bunker, they will discover something shocking, that legends never dies...