David Corenswet was cast as the new Superman, and fan conversation has since moved on to speculation that Cavill could play Batman in Gunn's iteration of the DC Universe. Although Gunn didn't directly address the speculation, he did respond when asked about whether casting Cavill in the DCU would be "too confusing".

In October 2022, actor Henry Cavill publicly announced his return as Superman, sparking widespread excitement among DC fans worldwide. The news came after a surprise cameo in Black Adam and was widely interpreted as confirmation of his reinstatement in the role.