Normally, a McWane first-filed analysis, which is "rooted in forum non conveniens doctrine," proceeds under Superior Court Civil Rule 12(b)(3) and relates to whether Delaware is an "improper venue."See Hudson v. Beebe Med. Ctr., 2023 WL 6134736, at *1 n.1 (Del. Super. Sept. 19, 2023) (noting "the parties may not waive subject matter jurisdiction" (quoting Webster v. Brosman, 2019 WL 5579489, at *1 (Del. Super. Oct. 29, 2019))).