The first season of "Hulk and the Agents of S.M.A.S.H" is based on the superhero character by Marvel Comics. Hulk, She Hulk, Red Hulk, A Bomb, and Skaar come together as the Agents of S.M.A.S.H. The Agents of S.M.A.S.H. have their base near the town of Vista Verde and often face various threats with a recurring one being from Hulk';s archenemy the Leader. The Hulk and Rick Jones respond to a gamma portal from the Negative Zone created by Annihilus in an effort to drain Earth';s resources. But unable to get through, Annihilus sends a mind-controlled Skaar to retrieve a Gamma ray cannon to help him push through.