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This page contains a listing of all known appearances of Proton (Earth-9997).
If you find an Issue this Character appears in that is not shown here, please edit that issue adding "Proton (Earth-9997)" to the proper section of the Appearances.
Chronological Appearances (by Publication)

Title Year, Month
Paradise X #0
2002, 04

2002, April

Paradise X #3
2002, 08

2002, August

Universe X #5
2001, 02

2001, February

Universe X #6
2001, 03

2001, March

All items (4)

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