The Trouble With TITAN... Before the downfall of THANOS, Thanos programmed a fail-safe mission into ISAAC. ISAAC has tricked Mar-Vell and Drax to think that Titan is under seige by Thanos' minions, but the truth is that it has already fallen. Lord Gaea keeps our hero's busy while Stellarax hastens to Earth to fulfill Thanos' dreams of destruction.