Director James Gunn's inclusion of additional superheroes in Superman: Legacy can distinguish his Superman from Richard Donner's 1978 film version. Many Superman fans consider Donner's Superman to be the quintessential live-action adaptation of the character. The magic of Donner's first Superman film generated three direct sequels, and Superman: Legacy could also be the first chapter in a new trilogy.
Source:https://www.cbr.com/how-superman-legacy-different-richard-donner/