After Marshall and Lily almost get hit by a taxi, Lily responds with, "Death is all around us." Marshall said the same thing in S7: E9 "Diaster Averted" after learning of the end of his health insurance and getting a paper cut.
The suit that Marshall is wearing during the competition is the matching jacket to the pants talked about in the episode "The Magician's Code: Part 1" (7.23), as Robin and Ted recount for Lily the time Marshall had "unlucky" pants.
Items on Lily and Marshall's "Who Wants to Be a Godparent" wheel: "Diaper Daily Double", "Birds and Bees", "Tooth Fairy Santa Bigfoot", "Bedtime Story", "Learning to Drive", "Discipline", "Potty Training", and "Our Demise".
In S3E2 "We're Not From Here," Lily & Marshall plan for their deaths after getting married, with little drama. By this time they act like they've never considered making a will before.
Victoria makes comments about her dad hating Ted b/c he ruined her wedding. Victoria was leaving for Ted but Klaus was also running away from the wedding so Victoria could have easily played it off on Klaus ruining the wedding