FANTASTIC FOUR (1961) #290

Reed Richards must follow Annihilus back to Earth to stop a Baluurian invasion- a true life or death scenario. Will the rest of our heroes go on without their courageous leader? Annihilus is free and attacks Blastaar as payment for his betrayal. One of the Fantastic Four sacrifices themselves to defeat Annihilus. The remaining FF return home and find a startling discovery.