The series premiered in 1985*. Stopped in 1986 after 12 issues.
The series contains a cavalcade of superheroes, who live in parallel worlds. This means that ordinary, fictional stories taking place in the well known world of superheroes are seen to be reality in the other, which also means that several of the superheroes actually die in the course of the series. The superheroes have the powers to pierce the dimensional barrier as they see fit.
* Initially, the series premiered in 1961, and it has been revived several times since then. The series on this page is one of the later publications.
(presenting the front covers from 6 random issues)