Radioactive Man met – and apparently defeated – Superman back in UNTOLD TALES #553. Will Kara fare any better?
Untold Tales #660 Supergirl vs Radioactive Man
Tag: Radioactive Man
Untold Tales #553 Superman vs Radioactive Man
Two giants of their respective universes meet for the first time!
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Mash-Up #334 Shazam vs Radioactive Man
A new hero is in town and Shazam doesn’t look too happy about it!
Crisis on Earth-Prime 