Yes, "Superman Returns" is considered a sequel to the Christopher Reeve Superman films, specifically taking place after "Superman II" (1980). Directed by Bryan Singer, the film ignores the events of "Superman III" and "Superman IV: The Quest for Peace," and it features a similar tone and style to the earlier films, with Brandon Routh portraying Superman in a manner reminiscent of Reeve's iconic performance. The film explores Superman's return to Earth after a long absence and his struggles with personal and global challenges.

Yes, in "Superman Returns," Jason is revealed to be Superman's son. The character, played by Tristan Lake Leabu, is the child of Superman (Clark Kent) and Lois Lane. The film explores the complications of their relationship, as Lois has moved on with her life after Superman's absence, but Jason's powers and connection to Superman become significant plot points. The revelation adds depth to the story, emphasizing themes of legacy and parenthood.