Nova faces the Corruptor, Diamondhead and Dr. Sun before blasting into space to tackle the Sphinx! But when the shape-shifting Skrulls attack, old enemies must forge alliances to survive.and when Xandar's Queen Adora begs the Fantastic Four for help, the stage is set for a cosmic battle across time and space! The Sphinx is ready to conquer the world, and Mr. Fantastic knows of only one opponent who can stop him: Galactus! But with the FF rapidly aging thanks to a Skrull weapon, do the heroes have time left to find him? Collects: Nova 20-25, Fantastic Four 204-206, 208-214