The indicia and cover titles on Hybrids: The Origin is at odds being Hybrids: The Origin and Revengers Special, respectively for issues #2-3.
The cover for issue #4 says Hybrids Origins and the indicia says Hybrids Origin.
The cover for issue #5 Hybrids Highbreds Revengers (the word Highbreds obscured by the Hybrid logo). Indicia says Hybrids Origin.