Green Lantern/Silver Surfer: Unholy Alliances — DC Comics
Issue: #1 B
Thanos has come to the DC universe, as he has built a weapon -- and only the last Green Lantern's ring can activate it. In testing a rift between the two universes, Thanos pulls the Cyborg Superman into the Marvel universe, and sends Terrax the Tamer into the DC one. Meanwhile, Parallax has traveled to the Marvel U to pursue Cyborg, and runs into the Silver Surfer in combat with him.Thanos "saves"...
First appearances: The Brothers Yin and Yang
Creators: Terry Austin, Eddie Berganza, Ron Marz, Mark Gruenwald, Chris Eliopoulos, Gloria Vasquez, Darryl Banks, Kevin Dooley
Characters: Galactus, Hal Jordan, Thanos, Death, Silver Surfer, Cyborg Superman, The Brothers Yin and Yang, Shalla Bal, Parallax, Terrax, Kyle Rayner
Story arcs: Amalgam