COMET (XANDER)

Nova #21"Is the world ready for the shocking secret of Nova"

Earliest catalogued appearance of Comet (Xander).

Sep 1978

No listings

The Man Called Nova #22"The Coming of the Comet"

Nov 1978

No listings

The Man Called Nova #23"From the dregs of defeat!"

Jan 1979

No listings

The Man Called Nova #24"The New Champions!"

Mar 1979

No listings

Fantastic Four #206"The Death of the Fantastic Four!"

May 1979

No listings

The Man Called Nova #25"Invasion of the body changers!"

May 1979

No listings

Fantastic Four #208"The Power of the Sphinx!"

Jul 1979

No listings

Fantastic Four #209"Trapped in the Sargasso of Space!"

Earliest catalogued appearance of H.E.R.B.I.E..

Aug 1979

No listings

Rom #24

Earliest catalogued appearance of Worldmind.

Nov 1981

No listings

What If? #36

Dec 1982

No listings

The Official Handbook of the Marvel Universe #16"Air-Walker To Death-Stalker"

Jun 1987

No listings

Marvel Age #89

Earliest catalogued appearance of Walter Rosen.

Jun 1990

No listings