In the early seventies, the rights to do Tarzan comic books passed from Western Publishing (Gold Key Comics) to DC Comics. Joe Kubert wrote, drew and edited the DC Tarzan and it was a beautiful version that was highly acclaimed in the industry and the fan press. The book did not do well commercially — in fact, it eventually sold less than half of what the Gold Key version had sold — and the whole project ended badly. Kubert stopped drawing it, passing the chores off to cheaper Filipino artists who worked (mostly) over his layouts. Then it ended.
I was working at the time for both DC and the Edgar Rice Burroughs estate so a lot of folks have come to me to ask what happened. I'll try to explain but it's a complicated story and it may take a while. I'll be serializing this and I'll try to get through this in as few installments as I can. Watch for this story here over the next week or so. The main thing you'll take away from it was that it was a venture doomed from the outset and that its failure was really not Joe's fault.