[2] However, Meach continues to resent Superman and battles him after a freak accident where he is struck by lightning and gains the combined powers of the Legion of Super-Heroes.

[5][6] Xan later escapes prison and travels back in time to recreate the event that gave Meach his powers, taking the name Amalgamax.

[8] A fourth incarnation of Composite Superman appears following Zero Hour: Crisis in Time!, which reboots the Legion's continuity.

The Joseph Meach incarnation of the Composite Superman appears as a character summon in Scribblenauts Unmasked: A DC Comics Adventure.

[14] Beast Kingdom displayed a planned Composite Superman action figure during the 2024 Shanghai Toy Licensing Expo.