In the Invincible War, Mask Invincible^[1] fought Oliver on Day 1. Mask Invincible told Oliver that he would have to earn the Omni-Man symbol on his chest. Oliver would escape this encounter later on. Mask Invincible would destroy Sydney by Day 3 and met up with the other surviving Evil Invincibles above his house. Mask Invincible confessed that he was happy to see his childhood home since his father destroyed his home. He was then stranded in the wasteland dimension with the others by Angstrom Levy.^[2] However by the time of Invincible's arrival, there was five corpses eaten by Sinister and Mohawk Invincibles, indicating that Mask Invincible survived and escaped the wasteland earth.

• Human/Viltrumite Physiology: Mask Invincible is an inter-dimensional duplicate of Mark Grayson. He has the same powers as Mark.

• Superhuman Strength: Mask Invincible displayed incredible levels of superhuman strength. He fought Kid Omni-Man and defeated Savage Dragon, Battle Girl, Mighty Man and SuperPatriot without much effort.^[2]
• Superhuman Speed
• Superhuman Stamina
• Superhuman Endurance
• Flight: Mask Invincible could fly at high speed.^[2]
• Interstellar Travel
• Enhanced Lung Capacity
• Invulnerability: Mask Invincible was almost completely unhurt during his many fights against Earth's heroes.^[2]
• Enhanced Healing Factor
• Decelerated Aging
• Dominant Genetics

• Hand-to-Hand Combat: Mask Invincible displayed superior fighting skills, having defeated many experienced heroes.^[2]

• Vulnerable Ears: In order to achieve flight, a Viltrumite's equilibrium must be balanced. This system is located in their ears and thus anything that disrupts their inner ear function can disrupt their flight. This does not include loud sounds, but much rather certain pitch pulses. It can cause their ears to bleed and possibly kill them if down for too long.^[3]

• His uniform