U.L.T.I.M.A.T.U.M.

"Lunatics with a cause...the most dangerous kind."

- Captain America U.L.T.I.M.A.T.U.M. (Underground Liberated Totally Integrated Mobile Army To Unite Mankind) is a terrorist organisation whose ideology involves destablizing world governments.

History
U.L.T.I.M.A.T.U.M. teamed up with R.A.I.D. and the Serpent Society in their conflict against S.H.I.E.L.D.. They were defeated by Captain America and his allies.