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This page contains a listing of all known appearances of Walter Langkowski (Earth-1298).
If you find an Issue this Character appears in that is not shown here, please edit that issue adding "Walter Langkowski (Earth-1298)" to the proper section of the Appearances.
Chronological Appearances (by Publication)

Title Year, Month
Mutant X #12
1999, 09

1999, September

Mutant X #3
1998, 12

1998, December

All items (2)

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