6R detected Banshee when he infiltrated the Sentinel Headquarters to stop Larry Trask.[1] He was possibly among the Sentinels to take him down. It was presumably destroyed along the other Sentinels Mk II when they headed to the Sun, believing it to be the source of the mutations and intending to cancel it. See the abilities and functions of the Sentinels Mk II. Search this site for: 6R ยท 6R (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.
