Official Trailer
Worlds collide in 'The Flash' when Barry Allen uses his superpowers to travel back in time in order to change the events of the past. But when his attempt to save his family inadvertently alters the futureBarry becomes trapped in a reality in which General Zod has returnedthreatening annihilationand there are no Super Heroes to turn to. That isunless Barry can coax a very different Batman out of retirement and rescue an imprisoned Kryptonian... albeit not the one he’s looking for. Ultimatelyto save the world that he is in and return to the future that he knowsBarry’s only hope is to race for his life. But will making the ultimate sacrifice be enough to reset the universe?
