Tony stared at the holographic schematic. A standard smartphone had failed. But the data survived. That gave him an idea. The Avengers needed more than a tower and a jet. They needed a lifeline—a piece of technology so resilient, so embedded, that it could survive a drop from orbit, a gamma burst, or a god’s tantrum.

But the XTM Avengers 1.8 units flickered. Their arc batteries hummed louder, compensating.

The XTM Avengers 1.8 never went to market. Tony built exactly seven units—one for each original Avenger, plus a prototype for Fury (which he promptly “lost” in a drawer). It became the unspoken bond of the team. When Thor went to Asgard, his unit kept a slow pulse, waiting. When Natasha went dark, her unit’s signal was the only thing Fury trusted.

His comms died. His shield was pinned. His vitals flatlined for… 1.8 seconds.