816 – Dev-Em’s Revenge
We first met the super-brat Dev-Em last month and Adventure #288 (July 1961) is the conclusion to this tale. Having arrived on Earth, Dev-Em lures Superboy into his suspended animation vehicle where he imprisons Superboy in the Phantom Zone. Dev-Em then crafts a mask to resemble Superboy and goes about committing horrific deeds, like destroying […]
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