The film received favorable reviews from critics. Following the screening at Comic-Con, and its release on DVD, the movie garnered mostly positive reviews, with some reviewers commenting it was a marked improvement compared to other recent DC animated adaptations; some commented it raised the bar for the follow-up to the live-action Superman Returns which had been released the previous summer.
The film received positive feedback from critics. Following its screening at Comic-Con, and its release on DVD, the movie obtained mostly favorable reviews, with some reviewers stating it was a significant upgrade compared to other recent DC animated adaptations; some praised it for setting a new standard for the follow-up to the live-action Superman Returns.