Have Thanos and Loki ever appeared in a comic together?

Yes, they do. Thanos and Loki have had interactions in some Marvel Comics storylines.

Yes, Thanos did manage to get the gauntlet together in some comic storylines.

I haven't come across any instances where Loki had kids with himself in the comic. Comics tend to explore various aspects of his character, but not this particular one.

Another possibility is that Loki teams up with other characters. He could form an alliance with the Avengers or some other powerful beings in the universe. Together, they could come up with a plan to stop Thanos. Loki could contribute his unique skills, like his ability to shapeshift and infiltrate Thanos' ranks, and then they could launch a coordinated attack.

Yes, they have. However, the extent and nature of their joint appearances can vary depending on the specific comic series or storyline.

Not that I know of. They haven't crossed paths in the comics that I'm familiar with.

Loki could also show signs of fear, though he would try to hide it. Inside, he knows the power that Thanos wields. But on the outside, he would maintain a facade of bravado. His reactions would be a mix of his natural cunning and the instinct to survive in a very dangerous situation.

Yes, Thanos does kill Loki in the comics. It's a significant event in the storyline.

As far as I'm aware, Jesus has never been a part of the Marvel comic universe. Marvel's stories revolve around fantasy and science fiction elements, not religious ones.

Obama has been featured in a few comic books. Sometimes it's to show his role in significant events or as a symbol of leadership. The depictions can vary depending on the comic's theme and message.