A Brief History of the World's Greatest Super Heroes 8 Inch action figure.

1972 Outfitting Action Jackson bodies with new heads and familiar costumes, Mego creates the World's Greatest Superheroes. The first tests were sold for Christmas at New York area 5&Dime EJ Korvetttes. The line comprised Superman, RC Batman, RM Robin and Aquaman in solid boxes.

1973 Three new heroes were added for the fall season Spiderman, Captain America and Tarzan. problematic solid boxes are replaced by retailer-friendly window boxes as well as "kresge" cards.

1974 A big year with the addition of the Supergals Assortment which included Supergirl, Batgirl, Wonder Woman and Catwoman and the Superfoes Assortment featuring Riddler, Mr Myx, Joker and Penguin. Shazam also arrives to give a hand. 1974 saw the release of the Batmobile, Batcopter, Cylcle and Batcave Playset as well.

1975 Here come more Marvel heroes! Hulk, Iron Man, Lizard Falcon and Green Goblin released. Fist Fighters (Batman, Robin, Joker, Riddler) launched

1976 O Mighty Isis arrives as well as the Fantastic Four, Thor and Conan..

1977 The Teen Titans arrive. 1977 sees the departure of Tarzan and Wonderwoman from assortments and Mego switches from Window boxes to Blister Cards

1978 No New Releases. The Card artwork changes but no new heroes are released .

1979 More Heroes Dropped. Myx, the FF, Conan, Thor, Aquaman,Lizard, Green Goblin, Falcon, Supergirl and midway through the year Isis are cut from the WGSH team.

1980 Trimming down. Riddler, Batgirl and Catwoman are yanked from assortments.

1981 No More Bad Guys. Joker and Penguin are put away for good.

1982 Then there were six With the departure of Shazam, the final assortment of WGSH is Spiderman, Captain America, Hulk, Batman, Robin, Superman. There were no further assortments.