Spearhead A Prequel to the Prophet

The superheros have been employees of the federal gov. for nearly 70 years. Public opinion has grown hostile, and the remaining active ones ae given less duty, or shunted overseas. Spearhead, who can shift shape to war machine, is drinking with Tailspin when the evening is interrupted by paramilitary assassins. At first the team is inclined to attribute it to one of their old enemies, but the trails lead too far, and too high up, and the forces that keep surging against them are too well-equipped.... In fact, are as well-equipped as the US military. Which is what they are. The superheros are now on the federal hit list.