Some of these folks will get annihilated by just getting hit from a random lightning from Thor's thunderstorm. The rest would just as easily fall physically even joined together.
Yea, he kinda is. Not your typical brick, but still. Went toe to toe with Danvers, three-shotted classic Rogue, broke Forge's forcefield that could stop a charging elephant, etc.
Not much the team can do to protect themselves against massive storms or if he just hurls Mjolnir upwards of supersonic speeds - far below anywhere near close to its maximum speed - and lets it barrel through the opposition.