[Byg42]

Mirrorman 2D, a new manga by Masato Hisa (Nobunagun, designer for several characters and kaijin in Kyuranger, Lupat and Ryusoulger), made to celebrate Mirrorman's 50th anniversary. Here's the synopsis from the news announcement (translated this through DeepL):
"The year is 2021. The Earth has been targeted by Invaders.

Two men stand up against the Invaders, who are secretly planning to invade the three-dimensional world.
In Yokohama, the city targeted by the Invaders, the story unfolds in an inter-dimensional buddy action!
Legendary hero "Mirror Man" rebooted after 50 years!"

Additionally, Tsupro has started uploading episodes of the original Mirrorman on youtube with subs.