Superman 354 (Dec 1980) NM- (9.2)

Twice Upon a Time!

Script: Cary Bates

Pencils: Curt Swan

Inks: Frank Chiaramonte

Colors: Adrienne Roy

Letters: Ben Oda

Characters: Superman; Mr. Alpha; Susan Stanyon (museum director); Thalia Tate (archaeologist); Rodru

Synopsis: Superman helps re-unite two time travelers who crashed on Earth. Mr. Alpha gets a hold of some technology from these time travelers and causes trouble.