After Ronnie Raymond is tricked into nearly blowing up a nuclear reactor, he and Professor Martin Stein are caught in a nuclear accident. Their personalities merge, forming the being called Firestorm!

"Originally published in single magazine form in Firestorm 1-5, Cancelled comics cavalcade #1 and Flash 289-293"--Tp verso.

Firestorm #1 -- Make way for Firestorm /penciller, Allen Milgrim ; inkers, Klaus Janson, Josef Rubinstein ; letterer, Todd Klein ; colorist, Adrienne Roy -- Firestorm #2 -- Danger doubled is death / penciller, Allen Milgrim ; inker, Bob McLeod ; letterer, Ben Oda ; colorist, Adrienne Roy -- Firestorm #3 -- Kiss not the lips of Killer Frost / penciller, Allen Milgrim ; inker, Bob McLeod ; letterer, Ben Oda ; colorist, Mario Sen -- Firestorm #4 -- When laughs the hyena / penciller, Allen Milgram ; inker, Jack Abel ; letterer, Clem Robins ; colorist Gene D'Angelo -- Firestorm #5 -- Again multiplex / Penciller, Allen Milgram ; inker, Bob McLeod ; letterer, Clem Robins ; colorist, Jerry Serpe -- Cancelled Comic Calvalcade #1 -- The typhoon is a storm of the soul! / penciller, Allen Milgram ; inker, Bob McLeod -- Flash #289 -- Firestorm is back in town / penciller, George Perez ; inker, Romeo Tanghal ; letterer, Ben Oda ; colorist, Gene D'Angelo -- Flash #290 -- The secret history of the nuclear man / penciller, George Perez ; inker, Robert R. Smith ; letterer, Shelly Leferman ; colorist, Jerry Serpe -- Flash #291 -- The hyena laughs last / penciller, George Perez ; inker, Robert R Smith ; letterer, John Costanza ; colorist, Lynne Gelfer -- Flash #292 -- The hostages of Precinct 13 / penciller, George Perez ; inker Robert R. Smith ; letterer, Ben Oda ; colorist, Lynne Gelfer -- Flash #293 -- The deadliest man alive / penciller, George Perez ; inker, Rodin Rodriquez ; letterer, Milton Snapinn ; colorist, Jerry Serpe.