In Venom (2011)’s “Circle of Four” story arc, Red Hulk, Agent Venom, X-23, and Alejandra Jones’s Ghost Rider have teamed up to put down Blackheart and stop his hellish invasion of Earth.

Later on, Captain America would send Red Hulk down to Vegas to investigate Agent Venom, another villain-turned-anti-hero. There the two would be joined by X-23 and a female Ghost Rider named ...