Did The Flash Just Destroy Christopher Reeve's Superman Universe?

The Flash might have destroyed Christopher Reeve's classic Superman movie universe.

Christopher Reeve 'The Flash' Cameo, Explained

Christopher Reeve's Superman: Perfect? Ha!

The Flash' Ending Explained - Does Barry Allen Fix the Multiverses?

Review: The Flash isn't a terrible film—just a forgettable one

The Flash: How Does Time Travel Work In the DC Movie? - IGN

Christopher Reeve - News - IMDb

The Best DC Comics Movies, Ranked: From 'Batman' to 'Joker

How to Watch All the Superman Movies in Order

Who Are All The DC Multiverse Cameos in THE FLASH? - Nerdist

Superman: 5 Reasons Why The Christopher Reeve Era Is The Best (& 5 Why The DCEU Is Better)

DC Confirms Reeve's Superman & Keaton's Batman Movies Are In The Same Universe - does this mean Supergirl in The Flash is related to Reeve's Superman? : r/DC_Cinematic