The competition started as the Asian Club Championship, a tournament for the champions of each AFC nation, and had a variety of different formats, with the inaugural tournament staged as a straightforward knockout format and the following three editions consisting of a group stage. Israeli clubs dominated the first four editions of the competition, partly due to the refusal of Arab teams to face them. In 1970, Lebanese side Homenetmen refused to play against Hapoel Tel Aviv in the semi-final and Hapoel thus went straight to the final, while in 1971, Al-Shorta of Iraq refused to play against Maccabi Tel Aviv on two separate occasions in the tournament including the finale itself, with the Arab media considering the Iraqi side as the tournament's winners and the team holding an open top bus parade. The 1972 edition had to be cancelled by the AFC after two Arab teams refused to commit to playing against Israeli side Maccabi Netanya. After this, the AFC stopped holding the competition and Israel were expelled from the confederation. Asia's premier club tournament made its return in 1985, and in 1990, the Asian Football Confederation introduced the Asian Cup Winners' Cup, a tournament for the cup winners of each AFC nation. The 1995 season saw the introduction of the Asian Super Cup where the winners of the Asian Club Championship and Asian Cup Winners' Cup faced against each other.