After an adventure with Fantastic Four member the Thing Nighthawk discovers his abilities are increasing, and learns that his former Squadron Sinister teammate Speed Demon has joined the superhero team the New Thunderbolts. After encountering teammate Hyperion, apparently resurrected after being thought dead, and a new Doctor Spectrum (Alice Nugent), Nighthawk briefly joins the New Thunderbolts, but upon discovering he is being used for his fortune, leaves and rejoins the Squadron Sinister. That team learns that the Grandmaster, using an interdimensional source of superhuman abilities, the Wellspring of Power, has been increasing the team-members' powers. After a battle between the Squadron and the New Thunderbolts, Nighthawk and the other members of the Squadron Sinister scatter and escape.