Solution:

Costa

Explanation:
Costa brings the dagger made of ice in the thermos so it won't melt. He killed the Michy with the dagger and then the dagger melts with time.

Solution:

5 of clubs.

Explanation:
The 5th number is equal to the sum of first four number (recursively until its value <=13). The suit will be same as of biggest card.
eg Row1:
5 + 7 + 3 + 11 = 26 = 8
Since Maximum value is Jack of hearts, therefore, we will get 8 of hearts

Similarly for the last row
12+13+2+5 = 32 = 5
Since Maximum value is King of a club, therefore, we will get 5 of a club.

Solution:

Z

Explanation:
The numeric value of the first two alphabets adds up to the numeric value of the last alphabet.

Solution:

Manila --> Panama --> Havana --> Guyana -> Lusaka --> Luanda --> Uganda

Solution:

Eleanor Roosevelt

Explanation:
"L" in "or" = Eleanor
Rows of "elt" = Roosevelt

Solution:

Milk.

Explanation:
The cream comes to the surface and hence milk is heavier than cream.

Solution:

Spiderman

Explanation:
Spy + derm (perm - p + d) + an(ant-t)

Solution:

"x", sides reversed, is "x".

It can be infinitely extended as
"x", sides reversed, is "x", sides reversed, is "x", sides reversed, is "x".

Solution:

28745

Explanation

New Number = (Last Number +1 ) * 9
and Then New Number = (Last Number - 1 ) * 8 and so on.

i.e
1
(1+1) * 9 = 18
(18-1) * 8 = 136
(136+1) * 7 = 959
(959-1) * 6 = 5748
(5748+1) * 5 = 28745
(28745-1) * 4 = 114976
(114976+1) * 3 = 344931

Solution:

A bald Head

Explanation:
No one wants to be bald and if the person got bald then he doesn't want to lose his head.