In most realities, the planet Mercury cannot sustain life. In the Earth-616 universe in particular, there were aliens who claimed to have originated from the planet Mercury. However, it is possible that, like many other aliens to have claimed to have come from other planets in the Sol system, they may be masking their true homeworld or have colonized Mercury.[1]
- ↑ The accounts all occurred in Marvel publications from the 1950s and 60s.