Let me copy and paste my original proposals.
The Justice Society in the Forties and Fifties.
The street-level JSA members in a team title with Batman.
The Charlton characters in a team title, minus Captain Atom because he's too powerful.
Captain Atom.
The Brave and the Bold as a teamup of Wonder Woman and Power Girl.
Batgirl, Catwoman and the Huntress in a title.
A recurring Elseworlds title.
Metal Men.
Hard Traveling Heroes starring Dick Grayson and Conor Hawke.
A teamup of the Elongated Man and Plastic Man.
A team title with all the Atoms.
A sci-fi anthonlgy.
A DC-Marvel co-production of Sgt. Rock and Sgt. Fury.
Blackhawk.
Spy Smasher.
Etrigan the Demon.
Deadman.
Metamorpho.
Doctor Fate.
The Martian Manhunter.
Sandman Mystery Theater.