 In the Ultimate Marvel universe, the Triskelion is one of the first headquarters of S.H.I.E.L.D., and base for the Ultimates.Originally designed by British architect Norman Foster, the facility was to have been mobile like the Helicarrier, but the cost proved prohibitive.The Triskelion was partially destroyed by the Liberators, whose super-soldiers scuttled the S.H.I.E.L.D.