Bucky Barnes is indeed bisexual in specific comic iterations. It's a modern take that brings a fresh perspective to his character and reflects the growing acceptance and inclusion in the comic world.
Bucky Barnes is not gay in the comics. The comic narrative mainly explores his adventures and interactions with other characters without emphasizing his sexual preference.
In the comics, Bucky Barnes doesn't meet his end. His character has had many ups and downs but continues to be part of the story. There have been close calls, but he always manages to come out on top.
In certain comic arcs, Bucky Barnes takes on the mantle of Captain America. This occurs after specific events and developments that shape the storyline.
Well, it depends on the specific comic series and story arcs. In some cases, Bucky Barnes does become Captain America after certain events and circumstances unfold.