Cíclope y Fénix: El Origen De Mr. Siniestro

In this 1997 one-shot from Planeta DeAgostini, writer Peter Milligan and artist John Paul Leon delve into the origins of a classic X-Men antagonist, exploring the tragic backstory that ties him to Cyclops and Phoenix. A tense, character-driven tale, it weaves together past and present to reveal how a 19th-century mutant’s obsession with the couple’s psychic bond set him on a dark path. A key chapter for fans of the X-Men mythos, this single issue stands as a focused, standalone exploration of legacy and villainy.