Warning! Spoilers for Superman 78 #3
It seems like Michael Keaton’s Bruce Wayne is becoming Batman during the Christopher Reeve Superman comic book continuation,Superman 78. Previously, it was confirmed that the two heroes coexist in Superman 78 #3, written by Robert Venditti with art by Wilfredo Torres, which brings up interesting implications regarding the timeline of their superhero careers.
When Hawkman was confirmed to exist in Superman 78, it seemed like he might be the biggest hero
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