In the 2000s, he became known for big budget superhero films such as X-Men (2000), for which Singer won the 2000 Saturn Award for Best Direction, its sequel X2 (2003), and Superman Returns (2006).
Pada 2000an, ia menjadi dikenal karena film-film pahlawan super berbiaya besar seperti X-Men (2000), dimana Singer memenangkan Penghargaan Saturn untuk Penyutradaraan Terbaik 2000, sekuelnya X2 (2003), dan Superman Returns (2006).