While Barry Allen and Eobard Thawne have been the bitterest of enemies for years, the two old foes are about to join forces in an upcoming issue of The Flash.

Courtesy of DC, CBR has the exclusive first look at The Flash #754, the fifth chapter of the ongoing "The Flash Age" storyline by Joshua Williamson, Rafa Sandoval and Jordi Tarragona. Trying to take down a common threat in the time-traveling supervillain Paradox, Barry and the Reverse-Flash visit the ruins of the Flash Museum in the 25th century to defeat the new antagonist once and for all. The standard cover is illustrated by Sandoval, Tarragona and Hi-Fi while the variant cover is illustrated by Rafael Grampa. The opening pages, which also showcase the work of colorists Arif Prianto and Hi-Fi along with letterer Steve Wands, are below.

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The Flash is on the run as "The Flash Age" continues! Paradox accomplished his mission to make everyone see the Flash as a monster-and now Flash and the Reverse-Flash are trapped in a 25th century Central City that hates the Flash family and legacy. Now a wanted man, Flash must turn to an unexpected place to get help to return to his own time!

Previous issues had revealed Reverse-Flash was instrumental in defeating Paradox during the 25th century, causing Barry to seek him out after being bested by the new, cosmic villain himself. Armed with his familiar lightning bolt-shaped weapon from The Flash: Rebirth, Thawne may be able to catch lightning in a bottle a second time and take down Paradox for good.

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Written by Joshua Williamson and illustrated by Rafa Sandoval and Jordi Tarragona, The Flash #754 goes on sale May 19 from DC Comics.