Giant-Men, seven men with a modified versions of Hank Pym's "Giant Man" Formula. They can grow to just under 200 feet in height.

Rocketmen, they wear customized armor based on early designs of Iron Man.

The Four Seasons, four Marines who's powers derive from their uniforms. Their costume designs and abilities follow a seasonal motif, though their powers have yet to be revealed.

The Human Sentinels, Sixty of S.H.I.E.L.D.'s top agents in Sentinel battle armor that has special polychrome coatings prevent magnetic fields from harming them. They also have helmets to deter telepathy.

Lieberman, He was injected with the Super-Soldier serum. He exhibited enhanced speed, strength, and nearly indestructible skin. He possessed a connection to S.H.I.E.L.D. supercomputer. Fury intended him to replace Captain America if he was killed or went rogue. However, after he saved 57 people from a fire in New York City, his central nervous system collapsed and the super-soldier serum killed him.

Intangi-girl (mentioned)

Thunderbolt (mentioned)

In Ultimates 2, certain foot soldiers have been equipped with light blue enhancement suits that bestow flight and super-strength to the wearer. there are at least 100 troops with these suits.

Almost all of them were killed at the end of Ultimates 2