Shiva (Marvel Comics)
Shiva, a program that manifests itself as an armored robot, was designed to eliminate rogue survivors of the Weapon X program. The robots themselves, in addition to the program, were created by Larry Hama and Marc Silvestri, in Wolverine #50. The program learns, and sends out new 'clones' of the original robot, that can't be defeated the same way twice.
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