Trish Tilby

Triton

True Believers

Turbo

Tusk

Two-Gun Kid

Tyger Tiger

Typhoid Mary

Tyrannus

U-Foes

U-Go Girl

U.S. Agent

Uatu The Watcher

Ulik

Ultimate Spider-Man

USM

Ultimates

Ultimatum

Ultimo

Ultra-Adaptoid

Ultragirl

Earth-93060

Ultron

Umar

Unicorn

Union Jack

Brian Falsworth

Union Jack

Joseph Chapman

Union Jack

Montgomery Falsworth

Unus

Unus

Age of Apocalypse

Unus

House of M

Unus

Ultimate

Valeria Richards

Valkyrie

Exiles

Valkyrie

Samantha Parrington

Valkyrie

Ultimate

Vampiro

Vance Astro