Feb 28
The Uncanny X-Men #132 (1980) written by Chris Claremont pencils by John Byrne
The Uncanny X-Men #133 (1980) written by Chris Claremont pencils by John Byrne
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The Uncanny X-Men #132 (1980) written by Chris Claremont pencils by John Byrne
The Uncanny X-Men #133 (1980) written by Chris Claremont pencils by John Byrne
Superman #10 (1987) by John Byrne
The Dark Phoenix was introduced in The Uncanny X-Men 134# as Jean Grey was made the Black Queen by the Hellfire Club. It had a cover date of June, 1980. She was created by Chris Claremont and John Byrne. ("Too Late, the Heroes!", The Uncanny X-Men 134#, Marvel Comic Event)
A lot of the jokes in John Bryne's original run of Sensational She-Hulk are pretty corny by today's standards but this one got me.
Superman turns 50: Time Magazine cover 1988
March 14, 1988 Issue
Art by John Byrne