The Konosuba news just keeps on coming! Not only are we getting Season 3 of Konosuba, but it seems we’re getting a spin-off of Megumin too!
Here’s the tweet that confirms it:

\🎊TVアニメ化決定🎊/
— アニメ『このすば』公式ツイッター (@konosubaanime) May 28, 2022
これは、最強の魔法にあこがれた、一人の少女の物語。#このすば の大人気スピンオフ『この素晴らしい世界に爆焔を!』のTVアニメ化が決定いたしました✨
ティザービジュアルを解禁! pic.twitter.com/68rhc2bo2d
It roughly translates to:
\ 🎊 TV animation decision 🎊 /
This is the story of a girl who longed for the strongest magic.
#このすば ‘s popular spin-off “Bombing this wonderful world! Has been decided to be made into a TV animation ✨
The teaser visual has been lifted!