| In 1942, Rex discovered several individuals posing as government agents and sent the JSA after them | Crashing the Waverider in during May 2016 just meters from the earlier Waverider and the younger versions of the team, Rex approached the team |
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| After a successful mission, Rex returned to the JSA headquarters with the but was attacked by the , who phased his vibrating hand through Rex's chest to prevent him from completing his warning to the Legends | Legacy Rex's death caused Amaya to sneak aboard the Waverider thinking killed Rex |
Conferring with Martin Stein, he launched an attack on a transport containing an amulet that was meant to be traded for a serum that would allow the creation of Nazi super soldiers.
28| However, after Martin turned the right of leadership over to Sara Lance, he agreed to save them | Prior to 1942, Rex recruited into the team |
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| The team, the , informed Rex they met him when he crashed their ship in 2016 and warned them not to travel to 1942 and vanished | Wanting to hear their side of the story Rex was further confused when Professor , as Rex presumed to be the team leader, addressed him as though personally acquainted |
But later joined the Legends when Sara revealed Mick's innocence to find Rex's killer.
1| During their last encounter instructed Hourman to take the to 2016 and stop the Legends original arrival in 1942 | With his dying breath, Rex told her that his attacker was a , before dying in her arms, much to Amaya's heartbreak |
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| Current timeline Rex and the JSA discuss the Legends | During their last encounter instructed Hourman to take the to 2016 and stop the Legends original arrival in 1942 |
Conferring with Martin Stein, he launched an attack on a transport containing an amulet that was meant to be traded for a serum that would allow the creation of Nazi super soldiers.
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