Heroes Unlimited issue 5, 1967?
Anthony (Tony) Roche of Dublin (or possibly Dun Laoghaire) published the first comics fanzine in the British Isles, the Merry Marvel Fanzine, in 1966. He followed that with Heroes Unlimited, covering a wider variety of comics, co-edited by Peter C. Phillips and Peter Simpson and featuring covers and original comic strips by Paul Neary and Ken Simpson, in 1967.