Before Spawn ever met Batman, the iconic Image character had a secret DC and Marvel crossover that saw him wielding Superman's power. Following his battle with Heaven's hunter Angela, Spawn finds himself in Hell's Seventh Sphere. Inside he discovers an arcane prison that is later revealed to be full of famous comic book characters. When his powers don't seem to break through, the imprisoned characters offer their power, one of them being one of the most famous and recognized characters of all time, Superman.
When Spawn tries to operate Angela's abandoned lance following their battle, the weapon unleashes some kind of failsafe that causes Spawn to disappear, teleporting him to Hell where he enters the Sphere known simply as Erebus. He discovers it to be full of an ancient yet still stable prison across from a line of prisoners who are bound with hoods over their faces. Realizing they have a visitor, the prisoners reach out for Spawn, not out of hostility but with the hope that he'll be able to free them. Although only one arm is visible, it is clear that the prisoners are well recognized DC and Marvel characters, both heroes and villains trapped for an unknown period of time.
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In Spawn #10 by writer Dave Sim and artist Todd McFarlane, Spawn uses the full extent of his powers, in an attempt to free them, throwing any caution about the consequences to the wind. The former Al Simmons' mind is flooded with hundreds of thousands of voices offering their power in hopes that it'll be enough to break through. One of those voices, although his face isn't clearly shown, belongs to Superman, whose voice both calms and inspires Spawn. The hero called "He-
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