The Kree spawned Nega Bomb is a munition of unspeakable killing power. Fabricated by the Shi'ar's greatest minds and then implemented by princess Lilandra to end the war between her race and their aggressors, The Kree. The Nega device taps into the anti-material energies of The Negative Zone itself, similar to and based on the designs of the Nega-Bands once worn by the Kree hero Captain Marvel.

During the final through's of the Kree/Shi'Ar War, when the heart of the apposing empire had been decimated by the bomb's detonation. It was later revealed to Captain America and Deathbird, two of the few survivors left alive within the Kree Capitol homeworld at the time. That the Kree's leader; The Supreme Intelligence, was actually behind the Shi'ar's devising of the Nega Bomb. He revealed that implementation of the anti-matter charge could jumpstart the Kree's long dormant evolution cycle.

Using the negative energies of the Bomb would allow for the re-ignition of the Kree's progressive growth, a great many of whom finding great power within themselves after exposure to the anti-protopositronic radiation residue after it's discharge within the heart of their empire's galaxy.

The Nega devices are sparce but incredibly potent in destructive capacity nonetheless. Depending on it's size these munitions are capable of eradicating island continents to galaxian expanses with a lethal Antimatter discharge. Implamented by a great many different species over the coarse of time, it is mainly used as a weapon of last resort both by it's creators, the Shi'ar and it's epiphany bearers the Kree. More than once was such a killing device of such devastating magnitude been implemented by various groups hellbent on the destruction of their enemies.