Icterion

Icterion is a fictional element appearing in the Marvel Comics universe. It was first introduced in the comic book series X-Factor. Icterion is a radioactive element that causes mutations in those exposed to it. Its discovery and properties are central to certain storylines involving the X-Men and related characters.

The element is often depicted as being unstable and difficult to handle, requiring specialized containment procedures. Exposure to Icterion can lead to unpredictable and often dramatic physical changes, sometimes granting new abilities but also posing significant health risks. The exact nature of the mutations varies depending on the individual and the level of exposure.

In the comics, Icterion has been a plot device used to explain the origins of certain mutant powers or to create new threats. Its discovery has sometimes been linked to secret government projects or alien technology, adding layers of mystery to its origins. Scientists and heroes within the Marvel universe have worked to understand and neutralize the effects of Icterion, often facing ethical dilemmas regarding its potential use and the dangers it presents. The element's radioactive nature makes it a persistent hazard, and its study continues to be a significant element in the ongoing narratives it is part of.