.

When last seen in issue 5, the SSOSV Manhunter clone went out, shall we say, with a bang, following Darkseid into a boom tube, on a mission to kill Darkseid, and there was an explosion just as Darkseid's boom-tube faded away. Manhunter apparently dying to complete his mission.

But YOU KNOW Darkseid wasn't killed or ever would be, and despite Manhunter being on a self-proclaimed suicide mission, Manhunter could have survived too, in some million-billion-trillion-to-one unforseen circumstance. As there always seems to be, for heroes and villains when they appear to be going to their deaths.
The boom tube while fading away could have taken the explosion with it, out of our dimension, sparing Manhunter.
Or Darkseid, saving himself, in close quarters could have inadvertantly protected Manhunter with the same force sheild Darkseid might have put up to save himself.
Or Darkseid could have grabbed and thrown the explosive far in the distance, so that neither Darkseid or Manhunter were close to it or injured when it exploded.
Or... he could have been killed.

And then he could just be replaced by ANOTHER one of the hundreds of Paul Kirk clones, that could also be revealed to have somehow miraculously survived the destruction of the Council's underground base, back in the DETECTIVE 443 conclusion.
https://readcomiconline.li/Comic/Detective-Comics-1937/Issue-443?id=5685

It arguably wasn't overly well handled in SECRET SOCIETY 1-5, since it was juggled by 4 different writers, alternating almost every issue, who visibly weren't overly committed to the series. And a similar constant rotation of artists on the SSOSV series.
But I still think this offshoot Manhunter storyline could have been salvaged into something memorable. And while not the greatest thing ever done, was a somewhat interesting concept to revive Manhunter for 5 issues, that could have been further developed. .

[Linked Image from media.mycomicshop.com]
SSOSV issue 4 cover, by Chan

SECRET SOCIETY OF SUPER VILLAINS
1 Gerry Conway story, Pablo Marcos/Bob Smith art, June 1976 https://readcomiconline.li/Comic/Secret-Society-of-Super-Villains/Issue-1?id=79292
2 Gerry Conway/Dave Kraft story, Marcos/Bob Smitth art, Aug 1976 https://readcomiconline.li/Comic/Secret-Society-of-Super-Villains/Issue-2?id=79299
3 Dave Kraft story, Pablo Marcos/Vince Colletta art, Oct 1976 https://readcomiconline.li/Comic/Secret-Society-of-Super-Villains/Issue-3?id=79300
4 Dave Kraft story, Pablo Marcos/ Chan, Colletta art, Dec 1976 https://readcomiconline.li/Comic/Secret-Society-of-Super-Villains/Issue-4?id=79301
5 Bob Rozakis story, Rich Buckler/Vince Colletta art, Feb 1977 https://readcomiconline.li/Comic/Secret-Society-of-Super-Villains/Issue-5?id=79303