I prefer to rip my headers right from the comics. Unfortunately, Colossus doesn't have a long history of solo titles, so there aren't many options on that front. What I found includes:

[hider][img]http://d1466nnw0ex81e.cloudfront.net/n_iv/600/660721.jpg[/img][/hider]

[hider][img]http://rlv.zcache.com/svc/getimage?id=46e00ea0-0e7a-42c7-89b3-bf42b0669580&max_dim=324&square_it=true[/img][/hider]

[hider][img]http://www.tmstash.com/wp-content/uploads/2015/02/Colossus_Vol_1_1.jpg[/img][/hider]

If you like any of those, [@Sep], I can try my hand at cropping them down to just the title. The last one's a little tricky because Piotr obscures the last two letters, but I could maybe find another issue or just try to fill-in the blanks.