That affected Black Widow more, honestly. She died to save him, resulting in the Red Room resurrecting her - in a manner very similar to the X-Men's...
Yes, simply because Triathlon was unique to him, whereas 3-D Man is a legacy title (albeit a retconned one - the original is a 1950s hero created in...
Kurt and Meggan never did anything. And like you said, she kept rejecting Kurt for Brian and only went to Kurt whenever Brian would reject her. There...
Also look at the tone for the last few Marvel movies like Guardians of the Galaxy Vol. 3, The Marvels, and Ant-Man and the Wasp: Quantumania and ask...