Before that, he would rather indirectly kill millions of Germans by privatizing health care more and more and getting rid of social security. The German social Democrats and the Greens would do the same or worse, if they win the next elections. Neither a popular front nor a national front (hypothetically) is currently possible in Germany, because the burgoise powers are not actually convinced, that fascism (German or US) is a bad thing. The way forward is to build actual working class power.