JR East has announced that Tohoku Shinkansen will resume service on April 14th, but there will be service reductions and speed reductions between Koriyama and Ichinoseki
https://www.jreast.co.jp/press/2022/20220405_ho02.pdfRandom ekiben I found with a container based on the JR Freight container, since this is the first one (Kobe Sukiyaki) so expect different types of ekiben in the future.
https://all.awajiya.co.jp/?pid=165976087