[1] On October 17, 1970, Adam Eterno debuted in a self-titled strip in the first issue of Fleetway's new Thunder weekly anthology[2] which also introduced robotic soldier Steel Commando and supernatural pilot Black Max.

Lion editor Chris Lowder heavily edited Cowan's scripts, feeling he was a "fine storyteller" but describing his dialogue as "wretched"; he also took the opportunity to insert references to the work of Robert E. Howard into the stories.

While Tully and López remained the primary creative team others also contributed, including writers Ted Cowan, Donne Avenell and Scott Goodall, as well as artists Eric Bradbury, Joe Colquhoun, John Catchpole, Colin Page and Carlos Cruz.

[4] Rebellion subsequently appealed to fans for physical issues of Thunder to fill gaps in their archives, leading to speculation that the likes of Adam Eterno and Black Max would be reprinted.

Shortly afterwards the character's earliest adventures were compiled in Adam Eterno - A Hero of All Time as part of Rebellion's Treasury of British Comics collections,[15][16] featuring a cover by Chris Weston.

His importance to the time stream meant that when he was disabled by the Iron Major in Russia in 1943 a series of temporal anomalies struck Earth in the 21st century.

Sin's team of heroes, the Forgotten, were able to weather the resulting Totality Storm and release Adam, who returns to his customary role of patrolling the timestream.