The Superman trailer teases the best big-screen Clark Kent and Lois Lane relationship so far, and the DCU will probably benefit a lot from it. Ahead of Superman's July 11 2025 release date, James Gunn's movie has received new posters, merch, and a new official Superman trailer that provides a closer look at every DCU character making their debut in the franchise's first movie. The conflict between Superman and Lex Luthor, the Engineer, and Metropolis is clearer now.