DC Comics Presents, Vol. 1 #37A (1981)

The Stars, Like Moths... / Whatever Will (Or Did) Happen to Rip Hunter...Time Master
"The Stars, Like Moths...!": Superman and Hawkgirl learn that Superman's great-grandfather came to Earth over 100 years ago. He was able to establish an underground laboratory in Colorado, and create a gateway between Earth's universe and an X-Dimension which stores expended energy from suns. While exploring the lab, Superman discovers a chamber which sucks him into the X-Dimension's vortex. Hawkgirl flies inside the chamber for a quick rescue, and succeeds. "Whatever Will (Or Did) Happen to... Rip Hunter... Time Master": Rip Hunter and his crew chase an old college colleague back through time, to prevent him from destroying the Time Sphere.
Release Date: 1981