7-X9 was one of the Collector's Gatherers ordered to retrieve Howard the Duck, who had been merged with the Nexus of All Realities. When he sent a message to the ship Howard was flying in to announce his assault, he was interrupted by a message of another assaulter, Skrull Commander K'Rolf.
7-X9 was later killed when the Stranger destroyed all of the ships pursuing Howard to have him for himself. Search this site for: 7-X9 ยท 7-X9 (Earth-616).
Mentor assisted Elysis and Captain Marvel in the construction of the ship containing the Omni Wave Transmitter on there quest to halt the Kree-Skrull War and was able to hear the ultimatium Mar-Vell sent to both empires. Later when Doctor Strange and Silver Surfer arrived on Titan to find Mar-Vell, Mentor was nursing a sick Eros who had fallen ill to infectious condition caused by saving Mar-Vell's life.
