Pluskommander Geheneris Halason Mahr Vehl's Marvel-Gun used pure joy from another universe to attack its targets, but Mahr Vehl had used it so much, he had drained that universe of all its joy in his attempts to save Earth.
- 1 Appearances of Marvel-Gun
- Minor Appearances of Marvel-Gun
- Media Marvel-Gun was Mentioned in
- 1 Images featuring Marvel-Gun
- Item Gallery: Marvel-Gun
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