David Corenswet with Kryptodog in director James Gunn's 'Superman.' Courtesy of Warner Bros. Pictures Share on Facebook Share on X Share to Flipboard Send an Email Show additional share options Share on LinkedIn Share on Pinterest Share on Reddit Share on Tumblr Share on Whats App Print the Article Post a Comment Logo text Matthew Lawrence's comment at San Diego Comic-Con over the weekend on Krypto, the canine star of James Gunn's Superman, has sparked online debate about the importance of the CGI four-legged friend to the titular hero - and prompted some to suggest the actor rewatch the film'...