This one-shot issue was published in March 1993. The story was originally published in graphic-novel form in 1991 as Avengers-Deathtrap: The Vault (1991), but was later reprinted under the Venom label. As a result, the fictional events precede those of Venom: Lethal Protector and are referenced in that series. The issue follows a supervillain prison outbreak at The Vault, led by Brock, that allows the inmates to overrun the prison and take its staff hostage. The Avengers and Freedom Force attempt to defeat the villains in a race against time because the prison’s final fail-safe, a powerful explosive device, has been activated by Vault warden Truman Marsh.
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