The successor to the original 8-Ball was present as one of the villains in the Bar With No Name when Spider-Man and Daredevil fought the patrons of the bar. Cue stick (equipped with mechanism enabling it to magnify any force applied to it more than a thousandfold and transmit that force to anything it strikes), ball-bombs (pool balls containing explosives which detonate on impact).
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.
