who plays the cross over superman with lex luthor in the arrow-verse at the end?

The Arrowverse crossover Superman at the end is Tyler Hoechlin. The Lex Luthor opposite him in that crossover era is Jon Cryer.

Quick scoop

• Superman: Tyler Hoechlin

• Lex Luthor: Jon Cryer

Small clarification

If you meant the later Superman & Lois version with Lex Luthor, that Lex is Michael Cudlitz , not Jon Cryer.