Ultra, the Multi-Alien

World's Finest Comics (1941)

Mystery in Space (1951)

G.I. Combat (1957)

Hembeck: The Best of Dateline: @!!?# [Hembeck Series] (1980)

Pulp Fiction Library: Mystery in Space (1999)

DCU: Legacies (2010)

DC Universe: Legacies (2011)