Man of Steel 2 Update, Superman's The Flash Cameo in Limbo

According to a report from Deadline, however, Cavill's future was always up in the air, and it wasn't always a sure thing he'd be back.

Rumour: Superman won't cameo in Shazam!, and there's no movement on a Man of Steel sequel either

The Flash is the perfect DCEU finale – but I'm not ready to say goodbye

Prime (2005) - News - IMDb

The Flash Is Bringing Back Man Of Steel Villains General Zod And Faora - GameSpot

Goodbye, Man of Steel? Henry Cavill Reportedly Leaving Superman Role

Superman & Lois will keep going for a bit say DC Studios heads

Man of Steel 2: Who Should Direct the Superman Sequel?

In the end, he was a pawn: Henry Cavill's Canceled The Flash Cameo Reportedly a Result of The Rock Using Him Like a Chess Piece - FandomWire

A look at all the DC comics films rumored and in development

The Flash Is Bringing Back Two Major Man of Steel Characters