Solar, Man of the Atom (1991)

Summary

Finding himself floating above Earth, disoriented, Phil Seleski returns home, only to find another him in his apartment! Confused, he departs to stop a prison riot and raise a damaged Soviet nuclear sub. But, strangely, it seems the world isn''t ready for a super-being doing good deeds. Finally realizing he has somehow come back through time, Phil cannot remember how. But he knows he''s repressing a memory too terrible to bear!