During the "War of the Realms" storyline, Kyle was at a congressional hearing when a code red was issued that sent the representatives to the tunnels below. He and the other members of the Squadron Supreme of America were summoned to Washington D.C., where Phil Coulson brought them up to speed with Malekith the Accursed's invasion. Nighthawk and the Squadron Supreme of America fight an army of Rock Trolls and Frost Giants. After the Squadron Supreme caused the Frost Giants to retreat, Phil Coulson sends them to Ohio, which has become a battleground.