Superman and Batman get the supervillain known as Sleep, locked up in an alien container.[1]

A Container was something that a person used to store and, sometimes carry their cargo.

Types of containers

History

Earth-1A

Sleep was imprisoned in a spherical-shaped container of extraterrestrial origins. It also had spikes on it.

After Sleep was accidentally set free, the Superfriends return him to his alien container.[2]

References

External Link

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