Ironman and Captain America have died in the comics. These deaths usually come with intense story developments and can sometimes be reversed or have lingering effects on the overall comic narrative. It all depends on the specific comic series and creative direction.
Well, it's a bit complex. Captain Marvel died in the comics due to a combination of factors like facing an extremely powerful villain and getting caught in a situation where she couldn't escape unscathed. Sometimes, it was also due to sacrifices she made to save others or the universe.
Captain America's death in comics was a complex event. He was assassinated by a sniper's bullet, but the circumstances leading up to it were filled with political intrigue and superhero drama.
In the Infinity War comics, Captain America didn't meet his end. The comic plot was more complex and diverse, and his fate was shaped by various factors that differed from the cinematic portrayal.