Advice on Spending my hoard :(

Hi guys, first of all thank you for your advice 
This is my situation. I have:
- 450 thor5*
-456 black bolt
-435 5/2/5 dr strange.
I also have 35 champed 4*, around 30 4* 13 covered non champed, and 2 million iso.
I have 249 LT and 4288 cp (171 pulls) for a total of 420 pulls.
I play mostly pve, but once i have another 5* i might play more pvp. I am also in a pseudo burn out stage.
The main problem is i end up using strange as a tank for thor (i know how it sounds haha) as black bolt can tank only black.
Aparently prof x is good. also, iceman tanks all color except for red for thor5*. so i was considering opening a this moment. specially as carnage is not good (or so its seems) one note: carnage tanks all but yellow for thor5*
the problem is, with the "targeted" feature coming soon, idk if its the correct time to use the hoard.
I would love to open a special vault with thanos or kitty or okoye etc, but with 171 pulls via cp, its not probable, considering i have from 4 to 1 covers on those heroes.
aparently storm can be a partner for black bolt, but idk as lot of people say she is better with gambit which i dont have.
in theory: thor green can remove non blue tiles, so it increases the chance of matching blue with his tank iceman for stuns.
thor green can make possible some 4 of a kind, for prof x passives.
prof x purple seems good
so basically my questions are:
1) is prof x worth opening my hoard? considering i would get iceman who can tank for thor5*.
2) what is better, to champ storm instead of carnage, but without using the targeted feature, or wait until targeted comes out to open, and that means, no to storm and yes to carnage?
3) should i wait till carnage rotates out (losing profx)? avoid carnage like the plague?
thanks for your advice guys

This is my situation. I have:
- 450 thor5*
-456 black bolt
-435 5/2/5 dr strange.
I also have 35 champed 4*, around 30 4* 13 covered non champed, and 2 million iso.
I have 249 LT and 4288 cp (171 pulls) for a total of 420 pulls.
I play mostly pve, but once i have another 5* i might play more pvp. I am also in a pseudo burn out stage.
The main problem is i end up using strange as a tank for thor (i know how it sounds haha) as black bolt can tank only black.
Aparently prof x is good. also, iceman tanks all color except for red for thor5*. so i was considering opening a this moment. specially as carnage is not good (or so its seems) one note: carnage tanks all but yellow for thor5*
the problem is, with the "targeted" feature coming soon, idk if its the correct time to use the hoard.
I would love to open a special vault with thanos or kitty or okoye etc, but with 171 pulls via cp, its not probable, considering i have from 4 to 1 covers on those heroes.
aparently storm can be a partner for black bolt, but idk as lot of people say she is better with gambit which i dont have.
in theory: thor green can remove non blue tiles, so it increases the chance of matching blue with his tank iceman for stuns.
thor green can make possible some 4 of a kind, for prof x passives.
prof x purple seems good

so basically my questions are:
1) is prof x worth opening my hoard? considering i would get iceman who can tank for thor5*.
2) what is better, to champ storm instead of carnage, but without using the targeted feature, or wait until targeted comes out to open, and that means, no to storm and yes to carnage?
3) should i wait till carnage rotates out (losing profx)? avoid carnage like the plague?
thanks for your advice guys

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Comments
thanks
yes i know to be top 10 ill need thanos, which has only 1 cover
the problem is, i have to use dr strange to tank for blue and purple, because black bolt only tanks for black. so i end using someone who has no hp like strange to tank, while still getting damage on thor because the other colors are tanked by thor
and in pvp is kind of worse due to the same situation.
i think thats why i am playing less. the thing is, i know thanos can cut the time spent by a lot, but i have only 170 ish pulls from cp (in case he is on a special store vault) so it will be like 10 months for me to get enough cp haha. as i got thor and bb by spending cp months ago, so i got lots of lt but not so much cp
thanks again for the info
my juggs is only at 4 covers
also mr kgb, whats ur vote on opening vs continue hoarding until carnage leaves? knowing that burning out might be a factor, i use strange as a tank for thor (lol), etc.
i stopped playing pvp for a while, now i reentered, but not to get top10, just more cp and hp
before that it was all groot - dusa - gamora, which is more or less the same
edit: btw, how fast would you say u do scl7 with jugger? in minutes
also, is it true that carbage will come on 18 nov? or may be earlier?
thanks
Hello guys
total 290ish pulls, 265ish from lt, and 25 from cp
3/3/5 prof x
champed storm 452
champed iceman 452
on an error on my part, i opened past what i needed, as i had the storm cover.
4 bh. 1 storm bh at the end, 3 on 5*s i had no covers, so now in theory ill have all 5*s when i champ the feeders haha, as i bhed the feeders but dont plan to spend the iso for the moment (also miles morales still 4 levels before getting kingpin cover)
also +6 covers on my now bhed juggernauth (total 10 covers now)
i guess ill wait until iceman and storm rotate out, and then bh my 5/2/5 strange
thanks for ur advice