First Appearance Giant-Size Fantastic Four #3 (1975)
Targeted for destruction by the Pheragots (Star Masters #5, 1996)
Tun is the third planet from the sun, and it is located in the Ring Nebulae M-57 star system. It is the Homeworld to the alien race known as Axi-Tun. Tun was targeted for obliteration by the Pheragots after they learned that Lord Votan had framed them for the annihilation of the M'Ndavians race.