The villains in the new 2025 Superman movie include:

• Lex Luthor : The classic Superman arch-nemesis, portrayed by Nicholas Hoult. He is a key antagonist who hates Superman and works to discredit and take him down, potentially even serving as President of the United States in the film

• Ultraman : An alternate-reality doppelgänger of Superman, clad in a dark suit and empowered by Kryptonite. He is likely a physical and moral opposite to Superman and appears as a major combatant against him

• The Hammer of Boravia : A new original villain created by James Gunn for this movie, depicted as a heavily armored soldier from a war-torn country called Boravia. He confronts Superman due to the latter's intervention in the war

• The Engineer (Angela Spica) : A villain enhanced by nanotechnology, able to morph her body into weapons. She is connected to Lex Luthor and is a member of the Authority, a group featured in the DC Universe

• Metamorpho : Seen in a prison cell with Superman, suggesting he is another antagonist Superman faces

• Kaiju and White Alien : Giant monster threats and possibly a White Martian, adding large-scale physical challenges for Superman

• LexCorp Soldiers : Likely henchmen under Lex Luthor's command

• Yeti : A mysterious white-furred creature revealed as an eighth villain in the movie

Overall, the film features a wide array of villains ranging from classic foes like Lex Luthor to new creations like the Hammer of Boravia, as well as powerful alternate versions of Superman himself like Ultraman