Contemporary Amperex Technology Co., Limited (CATL), the largest battery manufacturer in the world with a 38% share of the global market, has just announced some fairly significant breakthroughs in battery tech that aren't just theoretical; they're already hitting the market.
There are multiple development projects for megawatt chargers with MCS plugs active in the EU, so I guess there will be some. There are already locations with multiple 300kW chargers, so replacing a few of them with a single megawatt charger should be possible.