Peacemaker is the name of a series of fictional characters originally owned by Charlton Comics and later acquired by DC Comics. The original Peacemaker first appeared in Fightin' 5 #40 (November 1966) and was created by writer Joe Gill and artist Pat Boyette.[1]
John Cena portrayed the Christopher Smith version of Peacemaker in the 2021 DC Extended Universe film The Suicide Squad and the eponymous 2022 television series on HBO Max.
Uatu the Watcher arrives to earth to warn them of Galactus, an entity who plans to devour earth. The Fantastic Four, as well as Lobo, Sonic, The Mutanimals and Hulk, plan to fight Galactus, and drive him away from Earth.